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 : supplement 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1945)

Park's illustrated flower book of choice dependable seeds : season of 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1929)

Park's illustrated flower book of choice dependable seeds : season of 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1930)

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 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)

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)

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)

Pathological plant anatomy - Küster, Ernst, 1874 -1953 (1913)

Patterson's numbered check-list of North American plants north of Mexico - Patterson, Harry N. (Harry Norton), 1853 -1919 (Patterson, 1892)

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)

Pearce seeds, plants and bulbs : offer 45A (1946) - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1946)

Pearce seeds, plants, bulbs : offer 39A - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1943)

Penjing plants from China : Buxus sinica, Ehretia microphylla, Podocarpus macrophyllus, Sageretia thea, Serissa foetida - United States. Animal; Plant Health Inspection Service. Plant Protection; Quarantine Programs. Biological Assessment; Taxonomic Support. (Biological Assessment and Taxonomic Support, Plant Protection and Quarantine, Animal and Plant Health Inspection Service, U.S. Dept. of Agriculture, 1996)

Perfil botánico-geológico de la carretera México-Acapulco - Mexico Secretaria de la Economia Nacional. Oficina de Geografia Economica (Talleres Gráficos de la Nación, 1935)

Permanent pastures and meadows - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Farmer Seed Co, 1895)

The Perry Seed Store Catalogue : ulbs, hardware, implements, drain tile, tin shop &c - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Perry Seed Store, 1895)

The Perry Seed Store : seeds, bulbs, hardware, implements, drain tile, tin shop - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Ebeling, 1898)

The Perry Seed Store twenty sixth annual catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Perry Seed Store, 1896)

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

Peter Henderson & Co.'s catalogue of everything for the garden : 1881 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1881)

Peter Henderson & Co.'s catalogue of everything for the garden : 1880 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1880)

Peter Henderson & Co.'s catalogue of everything for the garden : 1877 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1877)

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

Peter Henderson & Co's manual of everything for the garden : 1889 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1889)

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

Peter Henderson & Co.'s quarterly wholesale catalogue for florists. : plants, flower seeds, summer flowering bulbs insecticides, etc. : for tools see previous issue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1891)

Peter Henderson & Co's seed catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1872)

Peter Henderson & Co's seed catalogue : 1875 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1875)

Peter Henderson & Co's seed catalogue : 1882 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1882)

Peter Henderson & Co's seed catalogue : 1883 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1883)

Peter Henderson & Co.'s spring 1899 florists' and market gardeners' wholesale catalogue of plants, flower seeds, bulbs, vegetable seeds, farm seeds, fertilizers, insecticides, tools. etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1899)

Peter Henderson & Co.'s wholesale price list of bulbs, plants, flower seeds, and requisites for florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1884)

Peter Henderson & Co.'s wholesale price list of plants, flower seeds and requisites for florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1884)

Peter Henderson & Co.s catalogue of everything for the garden : 1882 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1882)

Peter Henderson & Co.s manual of everything for the garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1883)

Peter Henderson & Co.s manual of everything for the garden : 1885 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1885)

Peter Henderson & Co.s manual of everything for the garden : 1884 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1884)

Peter Henderson & Co.s manual of everything for the garden : 1886 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1886)

Peter Henderson & Co.s manual of everything for the garden : 1890 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1890)

Pflanzen-teratologie systematisch geordnet - Penzig, O. (Ottone), 1856 -1929 (A. Ciminago, 1894)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1900)

Philadelphia flower show - Pennsylvania Horticultural Society. (The Society, 1991)

Photoperiodism and related phenomena in plants and animals; proceedings - Withrow, Robert B. 1904 -1958 (1959)

The Physiological Role of Mineral Nutrients - Loew, Oscar, 1844 - (G.P.O, 1899)

Physiological Role of Mineral Nutrients in Plants - United States. Bureau of Plant Industry. (U.S. G.P.O, 1903)

The physiology of flowering - Hillman, William S. (Holt, Rinehart and Winston, 1962)

Phytochemie - Rochleder, Friedrich, 1819 -1874 (W. Engelmann, 1854)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1961)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1971)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1972)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1980)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1996)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1998)

Phytoneuron (Guy L. Nesom, 2014)

Phytoneuron (Guy L. Nesom, 2015)

Le piante vascolari raccolte dal Rev. P.C. Silvestri nell'Hu-peh, durante gli anni 1904-1907 (e negli anni 1909, 1910) - Silvestri, Cipriano. (Pellas, 1911)

Pino's garden book, 1952, our 52nd year : flower, vegetable and lawn seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Willis S. Pino, 1952)

Pino's garden book, 1953, our 53nd year : flower, vegetable and lawn seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Willis S. Pino, 1953)

Pitcher & Manda catalogue of flower and vegetable seeds and bulbs for spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitcher & Manda, 1895)

The plain truth about seeds : Burpee's 1899 farm annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1899)

Plant growth regulation - Boyce Thompson Institute for Plant Research. (Iowa State University Press, 1961)

Plant growth substances - University of Wisconsin. (University of Wisconsin Press, 1951)

Plant growth-substances; their chemistry and applications, with special reference to synthetics - Nicol, Hugh, 1898 - (Chemical publishing company, inc, 1941)

Plant immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1916)

Plant immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1917)

Plant immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1918)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1923)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1929)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1942)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1951)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1956)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1958)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1968)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1969)

Plant life of Alabama : an account of the distribution, modes of association, and adaptations of the flora of Alabama, together with a systematic catalogue of the plants growing in the state - Mohr, Charles (Charles Theodore), 1824 -1901 (Brown Printing Co, 1901)

Plant life of Alabama, an account of the distribution, modes of association, and adaptations of the flora of Alabama, together with a systematic catalogue of the plants growing in the state - Mohr, Charles (Charles Theodore), 1824 -1901 (Brown printing co, 1901)

Plant life of Alabama. An account of the distribution, modes of association, and adaptations of the flora of Alabama, together with a systematic catalogue of the plants growing in the state. Prepared in cooperationwith the Geological Survey of Alabama - Mohr, Charles (Charles Theodore), 1824 -1901 (Govt. Print. Off, 1901)

The plant life of Maryland - Shreve, Forrest, 1878 -1950 (Johns Hopkins Press, 1910)

Plant list : hardy herbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sherman K. and Vera B. Hardy, 1950)

Plant names, scientific and popular, including in the case of each plant the correct botanical name in accordance with the reformed nomenclature, together with botanical and popular synonyms ... - Lyons, A. B. (Albert Brown), 1841 -1926 (Nelson, Baker & Co, 1900)

Plant propagation; greenhouse and nursery practice - Kains, M. G. (Maurice Grenville), 1868 -1946 (Orange Judd company, 1916)

Plant quarantine import restrictions of Netherlands New Guinea - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953)

Plant responses to salinity : an indexed bibliography (Office of the Regional Administrator for Agricultural Research (Western Region), Science and Education Administration, U.S. Department of Agriculture, 1978)

Plantae Asiaticae rariores, or, Descriptions and figures of a select number of unpublished East Indian plants - Wallich, N. (Nathaniel),‏ 1786 -1854 (Treuttel and Würtz, 1830)

Plantarum vascularium genera :secundum ordines naturales digesta eorumque differentiae et affinitates tabulis diagnostacis expositae - Weidmann. (Libraria Weidmannia, 1836)

Plantation Gardens, herb growers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plantation Gardens, 1950)

Plantation Gardens, herb growers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plantation Gardens, 1948)

Plantation Gardens, herb growers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plantation Gardens, 1949)

Plantation Gardens, herb growers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plantation Gardens, 1951)

Plantation Gardens, herb growers, Lynchburg, Virginia, 1954-1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plantation Gardens, 1954)

Plantation Gardens : herb growers, Rustburg, Virginia - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plantation Gardens, 1959)

Les plantes a feuillage coloré : histoire, description, culture, emploi des espèces les plus remarquables pour la décoration des parcs, jardins, serres, appartements précédé d'une introduction par Charles Naudin - Lowe, E. J. (Edward Joseph), 1825 -1900 (Rothschild, 1870)

Les plantes - Faideau, Ferdinand, 1862 -1930? (Larousse, 1922)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1959)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1968)