The physiology of plants; a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon press, 1906)

The physiology of plants. a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon Press, 1900)

The physiology of plants; a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon press, 1900)

The physiology of the domestic animals; a text-book for veterinary and medical students and practitioners - Smith, Robert Meade, 1854 - (F. A. Davis, 1890)

The physiology of the domestic animals; a text-book for veterinary and medical students and practitioners - Smith, Robert Meade. (F. A. Davis, 1889)

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

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

Phytographia; ou, Botanica brasileira applicada á medicina, ás artes e á industria, seguida de un supplemento de materia medica, inclusive as plantas conhecidas e applicadas pelos indios em suas enfermidades - Mello Moraes, A. J. de (Alexandre Jos), 1816 -1882 (B. L. Garnier, 1881)

Phytographie médicale : histoire des substances héroiques et des poisons tirés du règne végétal - Roques, Joseph, 1772 -1850 (Garnot, 1845)

Phytohormones - Thimann, Kenneth Vivian, 1904 -1997 (The Macmillan Company, 1937)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1964)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1968)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1973)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1975)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1976)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1977)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1981)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1997)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2016)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1841)

The pine apple; its culture, uses, and history - Johnson, George William, 1802 -1886 (R. Baldwin, 1847)

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

Pittier, plants of Venezuela, 1919 - 1920 - Pittier, Henri, 1857 -1950 (1919)

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

Plant a garden : for victory - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Beckert's Seed Store, Inc, 1944)

Plant a peacetime garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Beckert's Seed Store, Inc, 1945)

The plant, an illustration of the organic life of the animal - Coultas, Harland, 1817 -1877 (Perry and Erety, 1855)

Plant autographs and their revelations - Bose, Jagadis Chandra, Sir, 1858 -1937 (Longmans, Green and Co, 1927)

The plant cell : its modifications and vital processes, a manual for students - Royal College of Physicians of Edinburgh. (Charles Griffin, 1910)

The plant cell : its modifications and vital processes, a manual for students - Haig, Harold Axel. (Charles Griffin, 1910)

The plant cell, its modifications and vital processes; a manual for students - Haig, Harold Axel. (C. Griffin and Company, Ltd, 1910)

The plant cell wall; a topical study of architecture, dynamics, comparative chemistry and technology in a biological system - Siegel, S. M. (Sanford Marvin), 1928 - (Pergamon Press, 1962)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare Co., Inc, 1921)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare co., inc, 1921)

Plant explorations : ornamentals in Italy, southern France, Spain, Portugal, England, and Scotland - Meyer, Frederick G. 1917 -2006 (U. S. Dept. of Agriculture in cooperation with Longwood Gardens of the Longwood Founcation, 1959)

Plant Form - Bell, Adrian D. (OXFORD UNIVERSITY PRESS, 1991)

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

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

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, 1934)

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

Plant life and plant uses; an elementary textbook, a foundation for the study of agriculture, domestic science or college botany - Coulter, John G. (John Gaylord), 1876 - (American Book Co, 1913)

Plant list : India - Biswas, K. (Kalipada), 1899 -1969 (1939)

Plant lists - Bartlett, Harley Harris, 1886 -1960 (1928)

Plant lists : Australia, Papua New Guinea, and the United States - Brass, L. J. (Leonard John), 1900 -1971 (1919)

Plant lists : British Honduras [Belize] - Peck, Morton Eaton, 1871 -1959 (1903)

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

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)