Handbuch für botanische Bestimmungsübungen - Niedenzu, Franz, 1857 -1937 (Engelmann, 1895)

Handwörterbuch der naturwissenschaften - Verworn, Max, 1863 -1921 (G. Fischer, 1912)

Hard times price list for 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Botanical Nursery Co, 1921)

Hardy American ornamental plants for immediate effects - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1934)

Hardy American ornamental plants for immediate effects : fall 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1935)

Hardy American ornamental plants for immediate effects : spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1935)

Hardy Bryan Croom and John Torrey correspondence, 1834-1837 - Croom, Hardy Bryan, 1798 -1837 (1834)

Hardy deciduous and evergreen trees, vines, shrubs, perennials and fruits, etc. : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1928)

Hardy deciduous and evergreen trees, vines, shrubs, roses, perennials, fruits, etc. : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1927)

Hardy deciduous and evergreen trees, vines, shrubs, roses, perennials, fruits, etc. : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1925)

Hardy deciduous and evergreen trees, vines, shrubs, roses, perennials, fruits, etc. : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1924)

Hardy deciduous and evergreen trees, vines, shrubs, roses, perennials, fruits, etc. : 1924 and 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1924)

Hardy deciduous and evergreen trees, vines, shrubs, roses, perennials, fruits, etc. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1926)

Hardy deciduous trees and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardens of the Blue Ridge, 1937)

Hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kenneth E. Gillett, 1932)

Hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kenneth E. Gillett, 1929)

Hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kenneth E. Gillett, 1931)

Hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kenneth E. Gillett, 1930)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1890)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1908)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1910)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1912)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1913)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1915)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1920)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1922)

Hardy ferns and flowers, roses, over 60 kinds of lilies : bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Southwick Nurseries, 1982)

Hardy ferns : wild and hardy perennial flowers : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1925)

Hardy ferns, wild and hardy perennial flowers, evergreens : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1926)

Hardy ferns, wild and perennial flowers, evergreens : 1927-28 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1927)

Hardy ferns, wild and perennial flowers, evergreens, rock garden plants : 1907-1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1933)

Hardy ferns, wild and rock garden plants, evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1937)

Hardy ferns, wild and rock garden plants, evergreens, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1934)

Hardy ferns, wild and rock garden plants, evergreens, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1935)

Hardy ferns, wild and rock garden plants, evergreens, 1937 wholesale trade list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1937)

Hardy ferns, wild and rock garden plants, evergreens, hardy plants for better homes and gardens : 1930 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1930)

Hardy, field grown perennials : fall 1931 and spring 1932, partial list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Birchmont Gardens, 1931)

Hardy field grown plants : fall and spring trade list, 1933-34 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John F. Hauser, 1933)

Hardy field grown plants : fall and spring trade list, 1934-35 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Superior View Farm, 1934)

Hardy field grown plants : fall and spring trade list, 1936-1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Superior View Farm, 1936)

Hardy field grown plants : trade list : fall 1929 - spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.F. Hauser, 1929)

Hardy field grown plants : trade list : fall 1930 - spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John F. Hauser, 1930)

Hardy field grown plants : trade list, fall 1931 - spring 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John F. Hauser, 1931)

Hardy field grown plants : wholesale price list for the florist and nurseryman, spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.F. Hauser, 1927)

Hardy flowers. Descriptions of upwards of thirteen hundred of the most ornamental species, with directions for their arrangement, culture, etc. ... - Robinson, W. (William), 1838 -1935 (Macmillan, 1878)

Hardy fruits for Northern planting, trees, shrubs, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Minnesota Fruit Growers Service Co, 1937)

The hardy garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Twin Larches Nursery, 1928)

Hardy garden favorites [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van Laar & Company, 1926)

Hardy garden favorites [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van Laar & Company, 1927)

Hardy garden flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Knickerbocker Nurseries, 1916)

Hardy garden flowers - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1912)

Hardy garden flowers - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1910)

Hardy herbaceous & Alpine plants : autumn 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1928)

Hardy herbaceous & Alpine plants : fall 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1930)

Hardy herbaceous & Alpine plants : Spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1927)

Hardy herbaceous & Alpine plants : spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1928)

Hardy herbaceous & Alpine plants : spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1929)

Hardy herbaceous & Alpine plants : wholesale catalog, autumn 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1928)

Hardy herbaceous & Alpine plants : wholesale catalog, autumn 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1929)

Hardy herbaceous & Alpine plants : wholesale catalog, Autumn 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1927)

Hardy herbaceous & Alpine plants : wholesale catalog, fall 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1930)

Hardy herbaceous & Alpine plants : wholesale catalog, spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1930)

Hardy herbaceous & Alpine plants : wholesale catalog, Spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1929)

Hardy herbaceous & Alpine plants : wholesale catalog, Spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1927)

Hardy herbaceous & Alpine plants : wholesale catalog, Spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1928)

Hardy herbaceous and Alpine plants : Autumn 1925 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1925)

Hardy herbaceous and Alpine plants : Autumn 1926 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1926)

Hardy herbaceous and alpine plants for the rockery, home grounds or cut flowers : fall and spring 1932-1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1932)

Hardy herbaceous and Alpine plants : Spring 1926 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1926)

Hardy herbaceous and alpine plants : spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1931)

Hardy herbaceous and Alpine plants : wholesale catalog, Autumn 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1925)

Hardy herbaceous and Alpine plants : wholesale catalog, Autumn 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1926)

Hardy herbaceous and Alpine plants : wholesale catalog, Spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1926)

Hardy herbaceous and alpine plants : wholesale catalog, spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1931)

Hardy herbaceous or perennial plants for gardens, borders, cut flowers and rockeries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ridgeville Nurseries, Inc, 1933)

Hardy herbaceous perennials collected by Mid-West Perennial Collectors : wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mid-West Perennial Collectors, 1936)

Hardy herbaceous perennials collected by Mid-West Perennial Collectors : wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mid-West Perennial Collectors, 1928)

Hardy herbaceous perennials collected by Mid-West Perennial Collectors : 1931 prices slashed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mid-West Perennial Collectors, 1932)

Hardy herbaceous perennials collected by Mid-West Perennial Collectors : wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mid-West Perennial Collectors, 1931)

Hardy herbaceous perennials collected by Mid-West Perennial Collectors : [1934] prices slashed : wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mid-West Perennial Collectors, 1934)

Hardy herbaceous perennials collected by Mid-West Perennial Collectors : wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mid-West Perennial Collectors, 1930)

Hardy herbaceous perennials for season 1930-1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.U. Liggit, 1930)

Hardy herbaceous perennials : wholesale list fall 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. & T. Smith Co, 1915)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Firm, 1926)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1924)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1932)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1929)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1931)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1930)

Hardy herbaceous plants and ornamental grasses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink and Atkins, 1903)

Hardy herbaceous plants for border and rock garden. Price list No. 2, spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Four O'Clock Garden Nursery, 1928)

Hardy herbaceous plants : wholesale catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Bulb Co, 1934)

Hardy herbaceous, rock garden, native plants and rare shrubs, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nik-Nar Nursery, 1934)

Hardy native and imported alpines and perennials : retail catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch & Son, Inc, 1930)

Hardy native and imported alpines and perennials : retail catalog 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch & Son, Inc, 1932)

Hardy native ferns, orchids, lilies, trilliums : all for planting in early autumn, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1927)

Hardy native lilies, orchids, ferns, aquatic and bog plants, and wild flowers : wholesale trade list, fall 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1935)

Hardy native plants and ferns of the Middle West - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (V.D. Merrill, 1932)

Hardy ornamental flowering trees and shrubs - Webster, A. D. (Angus Duncan), 1855 -1931 (Smith, Elder, 1908)

Hardy ornamental trees, shrubs, roses, plants and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Park Nurseries, 1911)

Hardy ornamentals and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Northwood Nurseries, 1916)

Hardy ornamentals : trees, plants bulbs ferns shrubs, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1899)

Hardy perennial and annual flower plants, vines, berry plants, grape-vines, hedge plants, vegetable plants : wholesale price list, spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry L. Squires, 1929)

Hardy perennial and rock garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.E. Jackson, 1933)

Hardy perennial flower plants, berry plants, grape-vines, hedge plants, climbing vines, vegetable plants : Autumn catalogue, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry L. Squires, 1929)

Hardy perennial flower seeds : including new varieties besides old-fashioned flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Incorporated, 1921)

Hardy perennial flowers for 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1931)

Hardy perennial plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rasmussen's Fruit Farm and Nurseries, 1936)

Hardy perennial plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Virginia Flower Gardens, 1929)

Hardy perennial plants for rock garden and border : price list no. 1, fall 1930 -spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Slemmons Gardens, 1930)

Hardy perennial plants [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upper Bank Nurseries, 1927)

Hardy perennial plants shrubs and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.T. Lovett, 1909)

Hardy perennial plants shrubs vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.T. Lovett, 1908)

Hardy perennial plants : wholesale trade list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1931)

Hardy perennial plants : wholesale trade list [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1930)

Hardy perennials - Macself, A. J. (Albert James), 1878 -1952 (Charles Scribner's Sons, 1922)

Hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wahoo Lodge Gardens, 1921)

Hardy perennials and ferns collected by Mackinaw Perennial Company : 1938 wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mackinaw Perennial Company, 1938)

Hardy perennials and ferns collected by Mackinaw Perennial Company : 1942 wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mackinaw Perennial Company, 1942)

Hardy perennials and ferns collected by Mackinaw Perennial Company : 1940 wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mackinaw Perennial Company, 1940)

Hardy perennials and ferns collected by Mackinaw Perennial Company : 1937 wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mackinaw Perennial Company, 1937)

Hardy perennials and rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upper Bank Nurseries, 1930)

Hardy perennials and rock plants : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upper Bank Nurseries, 1928)

Hardy perennials and rock plants : wholesale catalogue, spring and fall 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Flower Gardens, 1933)

Hardy perennials and rock plants : wholesale catalogue, spring and fall 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Flower Gardens, 1936)

Hardy perennials and rock plants, wholesale : fall 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1928)

Hardy perennials and rock plants, wholesale : fall 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1929)

Hardy perennials and rock plants, wholesale : spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1929)

Hardy perennials and rock plants, wholesale : spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1930)

Hardy perennials and rock plants wholesale : spring 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1932)

Hardy perennials, ferns, and seeds collected by Mackinaw Perennial Company : wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mackinaw Perennial Company, 1933)

Hardy perennials, rock garden plants, vines, roses, evergreens, etc. : wholesale price-list, spring and fall 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Incorporated, 1926)

Hardy perennials, rock garden plants, vines, roses, evergreens, etc. : wholesale price-list, spring and fall 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Incorporated, 1927)

Hardy perennials, rock-garden plants, vines, roses, evergreens, etc. : wholesale price list, spring and fall 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1932)

Hardy perennials, rock-garden plants, vines, roses, evergreens, etc. : wholesale price list, spring and fall 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1931)

Hardy perennials, rock-garden plants, vines, roses, evergreens, etc. : wholesale price list, spring and fall 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Incorporated, 1930)

Hardy perennials, trees, evergreens, shrubs, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1936)

Hardy perennials wholesale : fall 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1924)

Hardy perennials wholesale : spring 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1923)

Hardy perennials wholesale : spring 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1924)

Hardy perennials wholesale : spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1925)

Hardy perennials wholesale : spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1926)

Hardy perennials wholesale : spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1927)

Hardy plant and service book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outdoor Arts Company, Incorporated, 1928)

Hardy plant material for 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, 1929)

Hardy plant material for 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, 1930)

Hardy plant material for 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, 1931)

Hardy plant material for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, 1932)

Hardy plant material for 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, 1933)

Hardy plant material for 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1934)

Hardy plant material for 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1935)

Hardy plant material for 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1936)

Hardy plant material for 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1937)

Hardy plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1932)

Hardy plants : a complete collection : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank Josifko, 1926)

Hardy plants : a complete collection : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank Josifko, 1927)

Hardy plants : a complete collection, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank Josifko, 1929)

Hardy plants : a complete collection, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank Josifko, 1930)

Hardy plants and their culture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Daniels Nursery, 1933)

Hardy plants and their culture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Daniels Nursery, 1934)

Hardy plants and their culture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Daniels Nursery, 1932)

Hardy plants and their culture [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Franc P. Daniels, 1931)

Hardy plants and trees for garden and orchard : reference guide and catalog, what and where to plant - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Lehde Nurseries, 1937)

Hardy plants, bulbs and shrubs : wholesale prices for fall 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1920)

Hardy plants by Wayside Gardens : root strength, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1934)

Hardy plants : [fall catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1931)