Plant-geography upon a physiological basis - Balfour, Isaac Bayley, 1853 -1922 (Clarendon Press, 1903)

Plant-geography upon a physiological basis. Translated by W.R. Fisher; rev. and edited by Percy Groom and I.B. Balfour - Schimper, A. F. W. (Andreas Franz Wilhelm), 1856 -1901 (Clarendon Press, 1903)

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

Plant guide : Field Museum's Guatemala tour - Clark, Phil ([Field Museum], 1967)

Plant houses - Ridley, H. N. (Henry Nicholas), 1855 -1956 (1905)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1934)

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, 1966)

Plant life - American Plant Life Society. (American Plant Life Society, 1954)

Plant life - American Plant Life Society. (American Plant Life Society, 1956)

Plant lists : British Guiana - Cruz, Juan S. de la, (1921)

Plant lists : British Guiana - Hitchcock, A. S. (Albert Spear), 1865 -1935 (1919)

Plant lists : Chile, Colombia, Ecuador, and Peru - Rusby, Henry Hurd, 1855 -1940 (1916)

Plant lists : Colombia - Lawrance, Alexander E., (1932)

Plant lists : Colombia, Chile, Peru, and Brazil - Smith, Albert C. (Albert Charles), 1906 Apr 5 - (1922)

Plant lists, French Guiana and Venezuela - Broadway, Walter Elias, 1863 -1935 (1921)

Plant lists, Jamaica - Maxon, William R. (William Ralph), 1877 -1948 (1920)

Plant lists : Mexico, Guatamala, and British Honduras - Lundell, Cyrus Longworth, 1907 -1994 (1931)

Plant lists : Western United States and Mexico - Pringle, Cyrus G. (Cyrus Guernsey), 1838 -1911 (1882)

Plant material for dish gardening: Succulents : price list, November 15th, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Palm Nurseries, 1930)

Plant morphogenesis - Sinnott, Edmund W. (Edmund Ware), 1888 -1958 (McGraw-Hill, 1960)

Plant names - Lindsay, Thomas Somerville Reeves, 1854 - (Sheldon, 1923)

Plant physiology; authorized English translation by R. J. HarveyGibson; supplement incorporating the alterations of the 2d ed. of the German original - Harvey-Gibson, R. J. (Robert John), 1860 -1929 (Clarendon Press, 1913)

Plant physiology - Maksimov, N. A. (Nikolai Aleksandrovich), 1880 -1952 (McGraw-Hill, 1938)

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)

Plant specimen labels : Irian Jaya, Indonesia, and Sulawesi - Ismail, A. L. S. (1993)

Plant testing lists : Costa Rica - Schubert, Bernice, 1913 -2000 (1955)

The Plant world - Plant World Association. (Plant World Association [etc.], 1902)

Plantae Hasslerianae, soit énumération des plantes recoltées au Paraguay par le dr. Emile Hassler ... - Chodat, R. (Robert), 1865 -1934 (Impr. Romet, 1898)

Plantae Mexicanae. 1885-1906 - Pringle, Cyrus G. (Cyrus Guernsey), 1838 -1911 (C.G. Pringle, 1899)

Plantenkunde voor Indië - Haak, J. (G. C. T. Van Dorp & Co, 1892)

Les plantes de serre; description, culture, emploi des espèces ornementales ou intéressantes cultivées dans les serres de l'Europe - Bellair, Georges Adolphe, 1860 -1939 (Octave Doin, 1900)

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

Plantes toxiques du Canada - Mulligan, Gerald A., 1928 - (Agriculture Canada, 1990)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1952)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1954)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1955)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1958)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1960)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1961)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1962)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1963)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1966)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1970)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1971)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1972)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1975)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1978)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1981)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1982)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1986)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1992)

Plants and bulbs : wholesale price list, fall 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Co, 1934)

Plants and bulbs : wholesale price list, fall 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese, Inc, 1936)

Plants and seeds inward register, 19 August 1972-27 June 1988 - Botanic Gardens (Singapore) (1972)

Plants, cuttings, bulbs, seeds, insecticides, fertilizers, etc. : wholesale general catalog, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roman J. Irwin, 1931)

Plants of Costa Rica collected for chemical testing by B.G. Schubert et al., 1955, 1956, and 1957 - Schubert, Bernice, 1913 -2000 (1957)

Plants of the Bahamas, Jamaica and Grand Cayman - Hitchcock, A. S. (Albert Spear), 1865 -1935 (1893)

Plants, seeds, and currents in the West Indies and Azores; the results of investigations carried out in those regions between 1906 and 1914 - Guppy, H. B. (Henry Brougham), 1854 -1926 (Williams and Norgate, 1917)

Pleasure and beauty from a water garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Loveland Goldfish Farm, 1933)

Poisonous plants of all countries - Bernhard-Smith, Arthur. (Baillière, Tindall & Cox, 1923)

Poisonous plants of all countries. With the active, chemical principles which they contain; and the toxic symptoms produced by each group - Bernhard-Smith, Arthur. (J. Wright, 1905)

Poisonous plants of Canada - Mulligan, Gerald A., 1928 - (Agriculture Canada, 1990)

Pollen and spores of Barro Colorado Island - Roubik, David W. (David Ward), 1951 - (Missouri Botanical Garden, 1991)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1888)

Popular gardening for town and country (Popular Gardening Pub. Co, 1888)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1913)

The population problem; a study in human evolution - Carr-Saunders, A. M. (Alexander Morris), 1886 -1966 (Clarendon Press, 1922)

Practical floriculture : a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (O. Judd co, 1909)

Practical floriculture : a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (Orange Judd co, 1892)

Practical floriculture; a guide to the successful cultivation of florists' plants for the amateur and professional florist - Henderson, Peter, 1822 -1890 (Orange Judd, 1899)

Practical floriculture, a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter. (Judd, 1869)

Practical floriculture; a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (Orange Judd company, 1874)

Practical floriculture; a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (O. Judd company, 1883)

Practical physiology of plants - Darwin, Francis, Sir, 1848 -1925 (University Press, 1894)

Practical physiology of plants - Darwin, Francis, Sir, 1848 -1925 (University press, 1901)

Practical physiology of plants - Darwin, Francis, Sir, 1848 -1925 (University Press, 1907)

Practical physiology of plants - Darwin, Francis, Sir, 1848 -1925 (University Press, 1895)

Price list : 1929 : fruit trees, grape and berry vines, ornamental trees and shrubs, roses, palms and tropical plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Nursery of Monrovia, 1929)

Price list of fruit and ornamental trees, small fruits, evergreens, roses, etc., of the California Nursery Co - California Nursery Co. (The Nursery, 1881)

Price list of ornamental trees, plants : 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward H. Rust, 1922)

Price list : ornamental trees shrubs and vines, palms, ferns, grasses and flowering plants : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward H. Rust, 1925)

Price list : spring 1932 : plants, bulbs, funeral designs, cut flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.E. Moss, 1932)

A priced schedule of economic-ornamental plants : citrus and deciduous fruit trees, avenue and ornamental trees, choice garden shrubs and vines, palms, new and standard roses including many new and rare varieties - Roeding, George Christian, 1868 -1928 (Roeding & Wood Nursery Co, 1915)

Primitiae florae costaricensis - Durand, Th. (Théophile), 1855 -1912 (Jardin botanique de l'état, 1891)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1858)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1901)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1913)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1841)

Proceedings of the annual convention of the society of American Florists - Society of American Florists; Ornamental Horticulturists. (Society of American Florists and Ornamental Horticulturalists, 1885)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1907)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1912)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1907)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1929)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1973)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1982)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1993)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1998)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2002)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1913)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1862)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1866)