Nursery catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1912)

Nursery catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1910)

Observations et Mémoires sur la Physique, sur l'Histoire Naturelle et sur les Arts et Métiers, etc (1787)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1905)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2010)

The octavo nature-printed British ferns : being figures and descriptions of the species and varieties of ferns found in the United Kingdom - Moore, Thomas, 1821 -1887 (Bradbury and Evans, 1859)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1867)

Ok seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.A. Everitt, 1901)

Olivier's Entomologie oder Naturgeschichte der Insekten mit ihren Gattungs- und ArtMerkmalen, ihrer Beschreibung und Synonymie Käfer - Sturm, Jakob, 1771 -1848 (Gedrukkt und im Verlage bei Karl Reichard, 1800)

"On gardening" : 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1928)

Opera e periodicis collata - Vries, Hugo de, 1848 -1935 (A. Oosthoek, 1918)

The Opisthobranchiata of South Africa - Bergh, Rudolph, 1824 -1909 (South African Philosophical Society, 1907)

The orchid-grower's manual, containing descriptions of the best species and varieties of orchidaceous plants in cultivation ... - Williams, Benjamin Samuel, 1822 -1890 (Victoria and Paradise nurseries, 1894)

The Orchid review (Orchid Review ltd.], 1917)

Le orchidee - Pucci, Angiolo, 1851 - (U. Hoepli, 1905)

Orchidophile; journal des amateurs d'orchideés - Godefroy-Lebeuf, A. (Alexandre), 1844 -1903 (1890)

Orchids - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1939)

Orchids, special offerings List no. 93 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1935)

Orchids, special offerings : List no. 95 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1936)

Orchids, special offerings : List no. 96 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lager & Hurrell, 1936)

Oregon's "flower valley seeds" are best - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oregon Florists' Seed Company, 1942)

Oregon wild flowers, rock plants and seeds, lilies, trees and shrubs, ferns, perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mrs. Clarice Nye, 1944)

Origin of the Greater Antillean land mammal fauna 1 New Tertiary fossils from Cuba and Puerto Rico - MacPhee, R. D. E. (American Museum of Natural History, 1995)

Florist's journal (How and Parsons, 1842)

Ornithologia, or, The birds: a poem, in two parts : with an introduction to their natural history; and copious notes - Jennings, James. (Sherwood, Gilbert, and Piper, 1829)

Ornithological dictionary of British birds - Rennie, James, 1787 -1867 (Hurst, Chance, 1831)

Ornithological dictionary of British birds - Rennie, James, 1787 -1867 (W. S. Orr & W. Smith, 1833)

Ornithologie européenne, ou Catalogue analytique et raisonné des oiseux observés en Europe - Degland, Côme Damien, 1787 -1856 (Roret; [etc., etc.], 1849)

Ornithologie Nordost-Afrika's : der Nilquellen- und Küsten Gebiete des Rothen Meeres und des nördlichen Somal-Landes - Heuglin, Theodor von, 1824 -1876 (T. Fischer, 1873)

Ornithologie Nordost-Afrika's : der Nilquellen- und Küsten Gebiete des Rothen Meeres und des nördlichen Somal-Landes - Heuglin, Theodor von, 1824 -1876 (T. Fischer, 1874)

Osservazioni postume de zoologia adriatica - Meneghini, Giuseppe, 1811 -1889 (Co'tipi di G. Cecchini, 1847)

Osteologia avium, or, A sketch of the osteology of birds - Brooks, Vincent, 1815? -1885 (Published by R. Hobson, Wellington, Salop, 1867)

Osteologia avium, or, A sketch of the osteology of birds - Brooks, Vincent, 1815? -1885 (Published by R. Hobson, Wellington, Salop, 1875)

Osteologia avium : or a sketch of the osteology of birds - Eyton, T. C. (Thomas Campbell), 1809 -1880 (Salop, R. Hobson)

Otia conchologica : descriptions of shells and mollusks, from 1839 to 1862 - Gould, Augustus A. (Augustus Addison), 1805 -1866 (Gould and Lincoln, 1862)

Otia conchologica : descriptions of shells and mollusks from 1839 to 1862 / by Augustus A. Gould, M.D - Gould, Augustus A. (Augustus Addison), 1805 -1866 (1846)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1915)

Our 1918 catalog of seeds, bulbs, roses, trees, birds, poultry and garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Routledge Seed & Floral Co, 1918)

Our 1924 complete annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Routledge Seed & Floral Co, 1924)

Our 1925 complete annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Routledge Seed & Floral Co, 1925)

Our 1926 complete annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Routledge Seed & Floral Co, 1926)

Our 1927 complete annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Routledge Seed & Floral Co, 1927)

Our 1928 complete annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Routledge Seed & Floral Co, 1928)

Our annual illustrated catalogue of the best varieties of vegetable and flower seeds : being a collection of those kinds best adapted to the requirements of the home garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.H. Hunt, 1896)

"Our business is growing" rare plants: choice flower seeds cacti and succulents - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodosia B. Shepherd Co, 1910)

Our complete annual catalog, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Routledge Seed & Floral Co, 1929)

Our complete annual catalog of highest quality seeds, bulbs, plants, roses, birds, poultry and garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Routledge Seed & Floral Co, 1932)

Our complete annual catalog of highest quality seeds, bulbs, plants, roses, birds, poultry and garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Routledge Seed & Floral Co, 1931)

Our glory bloom, the peony - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Welsh Peony Farms, Inc, 1928)

Our wholesale offering : fall 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens, 1936)

Outlines of the natural history of Great Britain and Ireland, containing a systematic arrangement and concise description of all the animals, vegetables and fossiles which have hitherto been discovered in these kingdoms - Berkenhout, John, 1730 -1791 (Printed for P. Elmsly (Successor to Mr. Vaillant), 1769)

P. Mann & Co. seeds 1928 : for garden and farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (P. Mann, 1928)

P. Mann & Co. seeds 1929 : for garden and farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (P. Mann, 1929)

P. Mann & Co. seeds : 1931 for farm & garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (P. Mann, 1931)

P. Mann & Co. seeds season 1930 : for garden and farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (P. Mann, 1930)

Pacific Seed Company, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pacific Seed Company, 1936)

Pacific States Floral Congress. [Papers] - California State Floral Society. (Academy of sciences, 1901)

The Page-Philipps Seed Co.'s farm & garden guide. season of 1916 64th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Page-Philipps Seed Co, 1916)

The Page-Philipps Seed Co.'s farm & garden guide. season of 1918 66th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Page-Philipps Seed Co, 1918)

Paléontologie française : description zoologique et géologique de tous les animaux mollusques et rayonnés fossiles de France : comprenant leur application à la reconnaissance des couches - Orbigny, Alcide Dessalines d', 1802 -1857 (Chez l'auteur, 1842)

Paléontologie française : description zoologique et géologique de tous les animaux mollusques et rayonnés fossiles de France : comprenant leur application à la reconnaissance des couches - Orbigny, Alcide Dessalines d', 1802 -1857 (Chez l'auteur, 1840)

The Paleozoic faunas / by Stuart Weller, Ph.D - Weller, Stuart, 1870 -1927 (The J.L. Murphy publishing co., printers, 1903)

Palmer's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1931)

Palmer's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1930)

Palmer's seeds : 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1929)

Palmer's seeds, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1932)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1882)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1888)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1890)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1897)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1898)

Papers and proceedings of the Royal Society of Van Diemen's Land - Royal Society of Tasmania. (Royal Society of Van Diemen's Land, 1855)

Paramount Garden's list of rock garden perennials for 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paramount Gardens, 1939)

Paramount Gardens, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paramount Gardens, 1943)

Paramount Gardens' list of rock garden perennials for 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paramount Gardens, 1938)

Parerga lichenologica : Ergänzungen zum Systema lichenum Germaniae - Körber, Gustav Wilhelm, 1817 -1885 (E. Trewendt, 1865)

Park's 1940 flower book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1940)

Park's 1941 flower book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1941)

Park's floral guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1912)

Park's floral guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George W. Park, 1900)

Park's floral guide 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George W. Park, 1901)

Park's floral guide : 1904 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1904)

Park's floral guide : 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1914)

Park's floral guide : 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1915)

Park's floral guide for 1898 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1898)

Park's floral guide for 1899 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1899)

Park's floral guide for 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1910)

Park's floral guide for 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1911)

Park's floral guide for 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1913)

Park's flower book : choice dependable seeds 1868, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1950)

Park's flower book for 1951 : all the best of new & old : always dependable 1868-1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George W. Park Seed Co, 1951)

Park's flower book for 1952 : "all the best of new and old" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1952)

Park's flower book for Spring 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1942)

Park's flower book of choice dependable seeds : 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1948)

Park's flower book of choice dependable seeds : 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1949)

Park's flower book of choice dependable seeds : season of 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1946)

Park's flower book : season 1938, 70th anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1938)

Park's flower book : season 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1939)

Park's flower book : spring 1943, seventy-fifth Anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1943)

Park's flower book : spring 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1947)

Park's illustrated flower book of choice dependable seeds : season of 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1932)

Park's illustrated flower book of choice dependable seeds : season of 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Company, 1935)

Park's illustrated flower book of choice dependable seeds : season of 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1923)

Park's illustrated flower book of choice dependable seeds, season of 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1936)

Park's illustrated flower book of choice dependable seeds, season of 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1934)

Park's illustrated flower book of choice dependable seeds, season of 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1933)

Park's illustrated flower book of choice dependable seeds, season of 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1937)

Part I. The living flora of West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (Wheeling news litho. co, 1913)

Parte práctica de botánica del caballero Cárlos Linneo, que comprehende las clases, órdenes, géneros, especies y variedades de las plantas, con sus caracteres genéricos y especificos, sinónimos mas selectos, nombres triviales, lugares donde nacen, y propriedades - Linné, Carl von, 1707 -1778 (En la Imprenta Real, 1784)

Paul J. Howard's superior roses, flower seeds, fruit trees for 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paul J. Howard's Horticultural Establishment, 1936)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1849)

Payne's garden guide, 1927 : seeds, plants and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1927)

Payne's garden guide [of] seeds, plants & trees : 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1922)

Payne's garden guide [of] seeds, plants and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1918)

Payne's garden guide [of] seeds, plants and trees : 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1919)

Payne's garden guide [of] seeds, plants and trees : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1925)

Payne's garden guide : seeds, plants & trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1920)

Payne's garden guide : seeds, plants & trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1921)

Payne's garden guide seeds, plants & trees : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1923)

Payne's garden guide : seeds, plants and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1924)

Payne's garden guide : seeds, plants and trees : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1928)

Payne's garden guide : seeds, plants and trees, 1931 : an informative catalog of flower, vegetable, tree and shrub seeds, roses and flowering plants, vines, ornamental and fruiting shrubs and trees, including an extensive listing of California native trees, shrubs and wild flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1931)

Payne's garden guide : seeds, plants and trees, 1932 : an informative catalog of flower, vegetable, tree and shrub seeds, roses and flowering plants, vines, ornamental and fruiting shrubs and trees, including an extensive listing of California native trees, shrubs and wild flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1932)

Peacock's special price list for market gardeners and florists : 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Everette R. Peacock Co, 1920)

Pearce's seeds, 1896 - John S. Pearce & Co. (John S. Pearce & Co, 1896)

Peninsula Field Naturalists' Club Newsletter - Peninsula Field Naturalists' Club (Peninsula Field Naturalists' Club, 2020)

Peonies, 1958-1959 : officinalis peonies, fernleaved peonies, cut flower peonies, exhibition peonies, species peonies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Atha Gardens, 1958)

Peonies and irises - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.F. Wassenberg Peony and Iris Farms, 1931)

Peonies and irises : 1925 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.F. Wassenberg, 1925)

Peonies and irises : 1926 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.F. Wassenberg, 1926)

Peonies and irises : 1930 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.F. Wassenberg, 1930)

Peonies and irises, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.F. Wassenberg Peony and Iris Farms, 1934)

Peonies and irises, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.F. Wassenberg Peony and Iris Farms, 1935)

Peonies and irises : Wholesale price list, fall '39 – spring '40 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wassenberg's Peony and Iris Farms, 1939)

Peonies : herbaceous officinalis species, hybrids and tree peonies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Atha Gardens, 1955)

Peonies : herbaceous officinalis species, hybrids and tree peonies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Atha Gardens, 1954)

Peonies, iris, hemerocallis, poppies : fall 1945–spring 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.F. Wassenberg Peony and Iris Farms, 1945)

Peonies, iris, hemerocallis, poppies, fall '44 – spring '45 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.F. Wassenberg Peony and Iris Farms, 1944)

Peonies, irises, tulips : fall 1926 spring 1927 : wholesale price list of the Sam Carpenter Gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sam Carpenter Gardens, 1926)

[Peonies price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Groveside Gardens, 1956)

[Peonies price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Groveside Gardens, 1958)

[Peonies price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Groveside Gardens, 1955)

[Peonies price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Groveside Gardens, 1957)

Peonies, season 1931-32 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Gumtz, 1931)

Perennial plants from all over the world, rock plants and floral novelties : fall 1926-spring 1927 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1926)

Perennial plants from all over the world, rock plants and floral novelties : fall 1929, spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1929)

Perennial plants from all over the world, rock plants and floral novelties : fall 1930, spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1930)

Perennial plants from all over the world, rock plants and floral novelties : fall 1927-spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1927)

Perennial plants from all over the world, rock plants and floral novelties : fall 1932 spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1932)

Perennial plants from all over the world, rock plants and floral novelties : fall 1928 spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1928)

Perennial plants from all over the world, rock plants and floral novelties : fall, 1931 spring, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1931)

Perfegro hi-quality seeds : 1941 catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rocky Mountain Seed Company, 1941)

Perfegro hi-quality seeds : 1942 catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rocky Mountain Seed Company, 1942)

Perfegro hi-quality seeds : 1943 catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rocky Mountain Seed Company, 1943)

Perfegro hi-quality seeds : 1944 catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rocky Mountain Seed Company, 1944)

Perry's seeds, bulbs, plants, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1946)

Perry's seeds, bulbs, plants, poultry supplies & sundries, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1943)

Perry's seeds, bulbs, plants, poultry supplies & sundries, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1944)

Perry's seeds, bulbs, plants, poultry supplies and sundries, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1941)

Perry's seeds, bulbs, plants, poultry supplies and sundries, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1945)

Perry's seeds, bulbs, plants, poultry supplies and sundries, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1942)

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

Petals from Flowerland : 1932 a new year, Olympiad a new rose - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paul J. Howard's Horticultural Establishment, 1932)

Peter Henderson & Co's manual of everything for the garden : 1899 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1898)