Michell's wholesale catalog, 1943 : seeds, bulbs, plants, supplies for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1943)

Michell's wholesale catalog : seeds, bulbs, plants, supplies for florists and market gardeners : 1890-1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1942)

Michell's wholesale catalog : seeds, bulbs, plants, supplies for florists and market gardeners : spring edition 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1939)

Michell's wholesale catalog : spring edition 1938 : seeds, bulbs, plants, supplies for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1938)

Michell's wholesale catalogue 1929 [of] seeds, bulbs, plants and supplies for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1929)

Michell's wholesale catalogue 1930 [of] seeds, bulbs, plants and supplies for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1930)

Michell's wholesale catalogue 1931 : seeds, bulbs, plants, supplies for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1931)

Michell's wholesale catalogue 1932 : seeds, bulbs, plants, supplies for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1932)

Michell's wholesale catalogue : fall edition, 1933 : bulbs, seeds, plants, supplies for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1933)

Michell's wholesale catalogue : fall edition, 1934 : bulbs, seeds, plants, supplies for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1934)

Michell's wholesale catalogue : fall edition 1936 : bulbs, seeds, plants, supplies for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1936)

Michell's wholesale catalogue September-December 1931 : bulbs, seeds, plants, supplies for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1931)

Michell's wholesale catalogue : spring edition, 1933 : bulbs, seeds, plants, supplies for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1933)

Michell's wholesale catalogue : spring edition, 1934 : bulbs, seeds, plants, supplies for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1934)

Michell's wholesale catalogue : spring edition 1935 : seeds, bulbs, plants, supplies for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1935)

Michell's wholesale catalogue : spring edition 1936 : seeds, bulbs, plants, supplies for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1936)

Michell's wholesale catalogue : spring edition 1937 : seeds, bulbs, plants, supplies for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1937)

Michell's wholesale price list for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry F. Michell Co, 1910)

Mile high garden, flower and field seeds : twenty-eighth annual, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Grand Junction Seed Co, 1937)

Mile high garden, flower and field seeds : twenty-seventh annual catalog, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Grand Junction Seed Co, 1936)

Mile high garden, flower and field seeds : twenty-sixth annual catalog, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Grand Junction Seed Co, 1935)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1915)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1921)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1942)

Möllers Deutsche Gärtner-Zeitung - Möller, Ludwig. ([Ludwig Möller, 1887)

Möllers Deutsche Gärtner-Zeitung - Möller, Ludwig. ([Ludwig Möller, 1886)

Möllers Deutsche Gärtner-Zeitung - Möller, Ludwig. ([Ludwig Möller, 1900)

Modern perennial plants for particular gardeners, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arthur Lee, 1937)

The Monroe Nursery, 1847-1927 successful growers of nursery stock for 80 years - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1927)

Moon's hardy trees & plant for every place & purpose - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1927)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1908)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1910)

Moon's hardy trees & plants for every place & purpose : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Co, 1924)

Moon's hardy trees and plant for every place & purpose : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1926)

Moon's hardy trees and plant for every place and purpose : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1925)

Moon's hardy trees and plants for every place and purpose : 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Company, 1910)

Moon's hardy trees and plants for every place and purpose : 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Company, 1909)

Moon's hardy trees and plants for every place and purpose : 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1930)

Moon's hardy trees and plants for every place and purpose : 20% discount from these prices for fall 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1930)

Moon's hardy trees and plants for every place and purpose : 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1929)

Moon's plants for every place & purpose, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1928)

Mountain, plain and garden : the magazine of Denver Botanic Gardens - Denver Botanic Gardens. (The Gardens, 1990)

Multiplication en pépinière de plantes vivaces ligneuses et herbacées pour les provinces des Prairies - Canada. Agriculture Canada (Agriculture Canada, 1982)

My flowering hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1912)

My garden - Wilder, Louise Beebe, 1878 -1938 (Doubleday, Page & company, 1916)

My summer & fall catalog for 1930 listing peonies, iris, Dutch bulbs and lilies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.E. Kunderd, 1930)

Naauwkeurige beschryving der aardgewassen : waar in de veelerley aart en bijzondere eigenschappen der boomen, heesters, kruyden, bloemen, met haare vrugten, zaden, wortelen en bollen, neevens derzelver waare voort-teeling, gelukkige aanwinning, en heylzaame genees-krachten : na een veel-jarige oeffening en eigen ondervinding, in drie onderscheide boeken, naauwkeuriglijk beschreeven worden - Aa, Pieter van der, 1659 -1733 (By Pieter vander Aa, 1696)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1910)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1932)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1959)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1980)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1982)

Nature's charm around your home : spring 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Utah Nursery and Seed Co, 1934)

Navlet's garden guide and catalog, 1885-1940, 55th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. C. Navlet Co. Inc, 1940)

The Nelson book [of] trees, hardy shrubs and flowers : landscapes without waiting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson and Sons Co, 1919)

The Nelson book [of] trees, hardy shrubs and flowers : landscapes without waiting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson and Sons Co, 1922)

The Nelson book [of] trees, hardy shrubs and plants : landscapes without waiting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson & Sons Co, 1924)

Nelson's trees and shrubs for landscapes without waiting : 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson and Sons Co, 1914)

Nelson's trees and shrubs for landscapes without waiting : 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson and Sons Co, 1915)

The new 1957 garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Montgomery Ward, 1957)

The new 1958 garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Montgomery Ward, 1958)

New and meritorious perennials that should be in your garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carroll Gardens, 1940)

New beauty for 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Root's Nurseries, Inc, 1934)

New England bulbs & flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Incorp'd, 1910)

New England bulbs & flowers : fall 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Incorporated, 1911)

The New England garden supplement : spring 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Inc, 1908)

The New England Nurseries, Incorporated : hardy trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Incorporated, 1912)

New low prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Titus Nursery Co, 1934)

New planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1936)

New planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, 1938)

New rudbeckia, white lustre - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carroll Gardens, 1943)

The new Shasta daisies : "Alaska", "California", "Westralia." - Burbank, Luther, 1849 -1926 (Burbank Experiment Farms, 1904)

Nineteen forty-one - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Corliss Bros., Incorporated, 1941)

Nineteen forty-two - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Corliss Bros., Incorporated, 1942)

Noll's seed annual 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.F. Noll & Co, 1906)

Nomenclator botanicus, seu, Synonymia plantarum universalis :enumerans ordine alphabetico nomina atque synonyma, tum generica tum specifica, et a Linnaeo et a recentioribus de re botanica scriptoribus plantis phanerogamis imposita - Steudel, Ernst Gottlieb, 1783 -1856 (typis et sumptibus J.G. Cottae, 1841)

Notable flowers to brighten your garden, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Inc, 1935)

Nouveaux mémoires de l'Académie royale des sciences et belles-lettres de Bruxelles - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1843)

Novelties and specialties for 1897 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Barnard & Co, 1897)

Novotny Gardens, choice perennials, Osage, Iowa - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Novotny Gardens, 1950)

Novotny Gardens, Osage, Iowa - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Novotny Gardens, 1940)

Novotny Gardens, Osage, Iowa - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Novotny Gardens, 1949)

Novotny Gardens, Osage, Iowa - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Novotny Gardens, 1941)

Noxious weed and exotic vegetation management plan, Montana Fish, Wildlife and Parks, Region 1 - Montana. Parks Division. (The Region, 1994)

Nursery catalog for 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles Fiore Nurseries, 1930)

Nursery propagation of woody and herbaceous perennials for the Prairie Provinces - Canada. Agriculture Canada (Communications Branch, Agriculture Canada, 1982)

Nursery stock catalog [and] planting guide : 37th year, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1930)

Nursery stock seeds planting guide : price list spring 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1924)

Nursery stock seeds planting guide : price list spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1925)

Der Obstbau (W. Kohlhammer, 1914)

The old-fashioned garden : seeds, plants, bulbs for permanent gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Lockard, 1928)

The old-fashioned garden : wholesale trade price list for nurserymen, florists, gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Lockard, 1926)

Old friends and new catalogue : trees, flowers, fruits fall, 1920 and winter, 1920-1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1920)

Orchard and farm (Calkins Newspaper Syndicate, 1898)

The original Barnes Bros. Nursery Co., established 1890 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barnes Bros. Nursery Co, 1937)

The original Barnes Brothers Nursery Co., established 1890 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barnes Bros. Nursery Co, 1938)

The original Barnes Brothers Nursery Co., established 1890 : 1939 varieties of better fruits and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barnes Bros. Nursery Co, 1939)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1912)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1908)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1916)

Ornamental plants for landscape gardening : a catalog of dependable ornamentals for outdoor planting, 1925-1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weed's Landscape Nursery, 1925)

Ornamental plants for landscape gardening : a catalog of dependable ornamentals for outdoor planting, 1924-1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weed's Nursery, 1924)

Ornamental plants for landscape planting : a catalog of dependable ornamentals for outdoor planting : 1922-1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weed Landscape Nursery, 1922)

Ornamental plants for landscape planting : a catalog of dependable ornamentals for outdoor planting, 1923-1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weed's Landscape Nursery, 1923)

Ornamental trees, vines and shrubs : descriptive price list, February 15, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Del Amo Nurseries, 1938)

Outdoor beauty for your home - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.M. Hobbs & Sons, 1928)

Page Mill Nursery : retail catalog for 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Page Mill Nursery, 1949)

Pakro garden guide : selected seeds, plants, and bulbs for your 1924 garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Seed and Seedtape Company], 1924)

Palisades perennials and rock-garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1932)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries Inc, 1914)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1921)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries Inc, 1915)

Palisades popular perennials : for old-fashioned gardens and rockeries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1924)

Palisades popular perennials : hardy gardens easily made for the busy man - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.W. Clucas, 1912)

Palisades popular perennials : hardy gardens easily made for the busy man and woman - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1927)

Palisades popular perennials : supplement of new, rare, and meritorious hardy plants 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.W. Clucas, 1911)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1916)

The Park Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Park Nurseries, 1927)

Park's floral guide for 1907 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1907)

Park's floral guide for 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1908)

A partial list of plants available for various uses in general landscape planting - Taylor, Albert D. (Albert Davis), 1883 -1951 (A.D. Taylor, 1916)

Paul J. Howard's California Flowerland roses : spring 1947 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paul J. Howard's California Flowerland, 1947)

Paul J. Howard's California Flowerland, season 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paul J. Howard's California Flowerland, 1946)

Perennial and rock garden plants : wholesale price list, fall 1937 and spring 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arthur Lee Nurseries, 1937)

Perennial and rockery plants : shrubs, trees, vines, evergreens, and roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardenside Nurseries, 1930)

Perennial flowering plants, rock garden plants, herbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1937)

Perennial flowering plants, rock garden plants, herbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1935)

Perennial list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank Josifko, 1923)

Perennial list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Cascio Nursery, 1958)

Perennial list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank Josifko, 1924)

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

Perennials and other hardy ornamental plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens, 1927)

Perennials and rock plants : 1947 wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sunny Border, Incorporated, 1947)

Perennials and rock plants for 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1936)

Perennials and rock plants : for fall, winter or spring delivery, 1952-53 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Saxton & Wilson, 1952)

Perennials for fall planting. 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles H. Totty, 1916)

Perennials in your garden - Canada. Agriculture Canada (Agriculture Canada, 1983)

Perennials, rock-plants for 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1937)

Perennials, rock plants for 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1948)

Perennials, rock plants for 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1949)

Perennials, rock plants for 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1950)

Perennials rockery plants : select – locally grown - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Beverley Bulb and Dahlia Farms, 1949)

Perennials, roses, shrubs, evergreens, dahlias - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Turner's Sons, 1932)

Perennials, shrubs, trees, vines, ferns, espaliers, ground covers : wholesale list, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1944)

Perennials, shrubs, trees, vines, ferns, espaliers, ground covers : wholesale price list, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1943)

Perennials, shrubs, trees, vines, ferns, espaliers : retail and wholesale list, 1941-1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1941)

Perennials : use hardy plants for winter forcing, for summer cutting, for landscaping, for potted plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1929)

Perry's seeds and garden requisites, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1934)

Perry Seed Company, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1932)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2007)

Phlox, peonies, iris, etc., also a fine collection of perennials : roses, shrubs, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frederic J. Rea, 1915)

Pike's garden annual 1924 : seeds, bulbs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.W. Pike, 1924)

Pitzonka's giant-flowering mixture of pansy plants : fall 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1936)

Pitzonka's giant-flowering mixture of pansy plants : fall 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1938)

Pitzonka's high quality pansies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1949)

Pitzonka's high quality pansies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1950)

Pitzonka's high quality pansies, Pitzonka's three mixtures - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1948)

Pitzonka's pansies : fall 1952, spring 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1952)

Pitzonka's pansies : fall 1953, spring 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm and Nursery, 1953)

Pitzonka's pansies : fall 1955, spring 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm and Nursery, 1955)

Pitzonka's Pansies : fall 1957 - spring 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm and Nursery, 1957)