The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1906)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1908)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1910)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1913)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1918)

Photomicrographs of botanical studies - Flatters, Milborne & McKechnie Ltd. (Flaters, Milborne & McKechnie, 1910)

Photosynthesis and related processes - Rabinowitch, Eugene, 1901 - (Interscience Publishers, inc, 1951)

Photosynthesis - Hill, Robert, SC.D. (Methuen, 1955)

Physiological botany; I. Outlines of the histology of phænogamous plants. II. Vegetable physiology - Goodale, George L. (George Lincoln), 1839 -1923 (American Book Co, 1885)

Physiological genetics - Goldschmidt, Richard, 1878 -1958 (McGraw-Hill Book Company inc, 1938)

Physiological plant anatomy - Haberlandt, Gottlieb, 1854 -1945 (Macmillan and Co, 1914)

Physiological plant anatomy - Haberlandt, Gottlieb, 1854 -1945 (MacMillan, 1914)

Physiologische Pflanzenanatomie - Haberlandt, Gottlieb, 1854 -1945 (W. Engelmann, 1904)

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, 1903)

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)

Phytogeography of Nebraska. 1. General survey by Roscoe Pound and Frederic E. Clements - Clements, Frederic E. (Frederic Edward), 1874 -1945 (Published by the Seminar, 1900)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1967)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1995)

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

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1855)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1857)

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

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1850)

Pioneers of science in America; sketches of their lives and scientific work - Youmans, William Jay, 1838 -1901 (D. Appleton, 1896)

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)

Plant genetics - Coulter, John Merle, 1851 -1928 (The University of Chicago Press, 1918)

Plant genetics - Coulter, John Merle, 1851 -1928 (University of Chicago Press, 1918)

Plant indicators: the relation of plant communities to process and practice - Clements, Frederic E. (Frederic Edward), 1874 -1945 (Carnegie Institution of Washington, 1920)

Plant-life - Hall, Charles A. (Charles Albert), 1872 -1965 (A. & C. Black, 1915)

Plant life, considered with special reference to form and function - Barnes, Charles Reid, 1858 -1910 (H. Holt & company, 1898)

Plant life, considered with special references to form and function - Barnes, Charles Reid, 1858 -1910 (H. Holt & company, 1898)

Plant-life - Hall, Charles A. (Charles Albert), 1872 -1965 (Black, 1915)

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)

Plant-life on land considered in some of its biological aspects - Bower, F. O. (Frederick Orpen), 1855 -1948 (University Press, 1911)

Plant lists : Costa Rica, Guatemala, and Ecuador - Skutch, Alexander F. (Alexander Frank), 1904 -2004 (1935)

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

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

Plant morphology - Haupt, Arthur W. (Arthur Wing), 1894 - (McGraw-Hill, 1953)

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 relations : a first book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton and Company, 1910)

Plant sociology; the study of plant communities - Braun-Blanquet, J. (Josias), 1884 -1980 (McGraw-Hill book company, inc, 1932)

Plant structures; a second book of botany - Coulter, John Merle, 1851 -1928 (Appleton, 1906)

Plant structures; a second book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton, 1904)

Plant structures; a second book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton and company, 1900)

Plant studies; an elementary botany - Coulter, John Merle, 1851 -1928 (D. Appleton and Company, 1905)

Plant studies; an elementary botany - Coulter, John Merle, 1851 -1928 (D. Appleton and company, 1900)

Plant studies; an elementary botany - Coulter, John Merle, 1851 -1928 (D. Appleton and Company, 1900)

The Plant world - Plant World Association. (Plant World Association [etc.], 1897)

The Plant world - Plant World Association. (Plant World Association [etc.], 1898)

The Plant world - Plant World Association. (Plant World Association [etc.], 1915)

Plantae junghuhnianae :enumeratio plantarum, quas, in insulis Java et Sumatra - Miquel, Friedrich Anton Wilhelm 1811 -1871 (H.R. de Breuk, 1853)

Plantae preissianae sive enumeratio plantarum quas in australasia occidentali et meridionali-occidentali annis 1838-1841 collegit Ludovicus Preiss - Lehmann, Johann Georg Christian, 1792 -1860 (Sumptibus Meissneri, 1846)

Plantae quaedam niloticae : quas in itinere cum divo Adalberto libero barone de Barnim facto collegit Robertus Hartmann - Schweinfurth, Georg August, 1836 -1925 (G. Reimer, 1862)

Plantae Thunbergianae : ein Verzeichnis der von C. P. Thunberg in Südafrika, Indien und Japan gesammelten und der in seinen Schriften beschriebenen oder erwähnten Pflanzen, sowie von den Exemplaren derselben, die im Herbarium Thunbergianum in Upsala aufbewahrt sind - Thunberg, Carl Peter, 1743 -1828 (A.-b. Akademiska bokhandeln, 1918)

Plantas Romaniae hucusque cognitas - Kanitz, Ágost, 1843 -1896 (Apud E. Demjén, 1879)

Plantes cellulaires - Montagne, Jean François Camille, 1784 -1866 (Gide, 1845)

Plantevæxten paa Færøerne : med sæerlig hensyntagen til blomsterplanterne - Ostenfeld, C. H. (Carl Hansen), 1873 -1931 (Gyldendal, 1906)

Plants; a text-book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton and company, 1900)

Plants and their uses; an introduction to botany - Sargent, Frederick Leroy, 1863 -1928 (H. Holt and company, 1913)