Harnden's garden book : 1886-1930, 44th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harnden Seed Co, 1930)

Harnden's seed annual : 1886-1923, 37th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harnden Seed Company, 1923)

Harnden's seed annual : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harnden Seed Company, 1924)

Harnden's tested seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harnden Seed Company, 1920)

Harnden's tested seeds : 1886-1921, 35th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harnden Seed Company, 1921)

Harnden Seed Co. 1886-1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harnden Seed Co, 1916)

The Harnden Seed Co. 1886-1918, thirty-two years in business - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harnden Seed Co, 1918)

The Harnden Seed Co. [catalog] : 1886-1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harnden Seed Co, 1917)

Hastings' nursery annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1927)

Hastings' nursery annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1928)

Hastings' nursery annual : winter 1930-1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1928)

Hastings' nursery annual : winter 1930-1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1929)

Hastings' nursery annual : winter 1930-1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1930)

Hastings Seed Company Records - H.G. Hastings; Company (Ga.) (1931)

Hastings Seed Company Records - H.G. Hastings; Company (Ga.) (1932)

Hastings' Seeds : spring 1929 77th catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1928)

Hastings' Seeds : spring 1929 77th catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1929)

Hastings' Seeds : spring 1929 77th catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1931)

Hastings' seeds : spring 1933 85th catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1933)

Henderson's garden guide for season 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henderson's Seed Store, 1922)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & Co, 1890)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & Co, 1910)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & company, 1910)

Henry Field's catalog for 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Field Seed & Nursery Co, 1951)

The herbaceous garden - Martineau, Alice Vaughan-Williams. (Williams & Norgate, 1913)

Herbaceous perennials, rock plants, and hardy vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muller-Sealey Co., Inc, 1927)

Herbarium Pedemontanum; juxta methodum naturalem dispositum, additis nonnullis stirpibus exoticis ad universos ejusdem methodi ordines exhibendos - Colla, Luigi, 1766 -1848 (Ex Typis Regis, 1833)

Herbertia - American Plant Life Society. ([American Plant Life Society], 1986)

Herbertia - American Plant Life Society. ([American Plant Life Society], 1989)

Herbier de l'Amateur de Fleurs (1835)

Herbier General de l'Amateur (1817)

Herbier General de l'Amateur (1844)

Herbier General de l'Amateur (1847)

Hesdörffers Monatshefte für Blumen und Gartenfreunde - Hesdörffer, Max, 1863 -1920 (R. Oppenheim (G. Schmidt), 1896)

Histoire naturelle des végétaux. Phanérogames, Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1846)

Histologische Beiträge - Strasburger, Eduard, 1844 -1912 (G. Fischer, 1888)

Holco quality seeds, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes-Letherman Seed Co, 1928)

Home landscapes, 1924 : summer planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1924)

"Home landscapes" : 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holm & Olson, Inc, 1928)

Home landscapes : 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1928)

"Home landscapes" : 1929 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holm & Olson, Inc, 1929)

Home landscapes, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1931)

Home landscapes, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1932)

Horseshoe brand lily bulbs : market report - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph M. Ward & Co, 1916)

Horseshoe bulbology - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph M. Ward & Co, 1913)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1918)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1921)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1922)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. H. Horsford, 1931)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1930)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1924)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1923)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. H. Horsford, 1932)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1925)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1926)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1927)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1928)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1929)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1933)

Horsford's autumn supplement 1924 : cold weather plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1924)

Horsford's autumn supplement 1925 : cold weather plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1925)

Horsford's autumn supplement 1926 : cold weather plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1926)

Horsford's autumn supplement 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1927)

Horsford's autumn supplement 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1928)

Horsford's autumn supplement 1929 featuring iris peonies oriental poppies Madonna lilies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1929)

Horsford's autumn supplement for 1904 : hardy plants from a hardy climate - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fred'k H. Horsford, 1904)

Horsford's autumn supplement for 1905 : hardy plants from a hardy climate - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fred'k H. Horsford, 1905)

Horsford's autumn supplement for 1907 : hardy plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fred'k H. Horsford, 1907)

Horsford's descriptive catalogue of hardy ornamentals herbaceous plants bulbs, ferns shrubs and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1895)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1920)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1909)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1901)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1904)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1913)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1906)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1915)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1914)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1916)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1907)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1917)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1908)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1910)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1911)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1912)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1935)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants hardy lilies evergreens - shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1937)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants hardy lilies evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1938)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants hardy lilies evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1940)

Horsford's special list for spring planting : regal plants and bulbs. : 1939 spring supplement - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1939)

Horticulteur belge, journal des jardiniers et amateurs (1833)

The horticultural exhibitors' handbook. A treatise on cultivating, exhibiting, and judging plants, flowers, fruits, and vegetables - Dunn, Malcolm. (W. Blackwood, 1892)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1905)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1906)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1907)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1908)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1909)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1910)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1911)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1912)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1913)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1914)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1915)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1916)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1917)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1918)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1919)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1846)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1847)