Die pflanzlichen Parasiten des menschlichen Körpers. Für Ärzte, Botaniker und Studirende zugleich als Anleitung in das Studium der niederen Organismen - Hallier, Ernst, 1831 -1904 (W. Engelmann, 1866)

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1916)

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1917)

Pharmaceutical bacteriology - Schneider, Albert, 1863 -1928 (P. Blakiston's Son & Co, 1920)

Pharmaceutical bacteriology - Schneider, Albert, 1863 -1928 (P. Blakiston's sons & co, 1920)

Pharmaceutical bacteriology - Schneider, Albert, 1863 -1928 (P. Blakiston's son, 1920)

Pharmaceutical bacteriology, with special reference to disinfection and sterilization - Schneider, Albert, 1863 -1928 (P. Blakiston's son & co, 1912)

Pharmaceutical bacteriology, with special reference to disinfection and sterilization - Schneider, Albert, 1863 -1928 (Blakiston, 1912)

Pharmaceutical botany - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (P. Blakiston's Son & Co, 1918)

Pharmaceutical botany; a text-book for students of pharmacy and science - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (P. Blakiston's son & co, 1920)

Pharmaceutical botany, with glossary of botanical terms - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (Blakiston, 1921)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1881)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1875)

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, 1913)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1917)

Phyllosticta leaf spot, fruit blotch, and canker of the apple : its etiology and control - Guba, Emil Frederick, 1897 - (University of Illinois Agricultural Experiment Station, 1925)

Phylogeny and relationships in the Ascomycetes - Atkinson, George Francis, 1854 -1918 (1915)

Physiological and pathological researches; being a reprint of the principal scientific writings of the late T. R. Lewis. In memoriam - Aitken, William, 1825 -1892 (Lewis Memorial Committee, 1888)

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

Physiology of bacteria - Rahn, Otto, 1881 -1957 (P. Blakiston's son & co., inc, 1932)

Physiology of fungi - Cochrane, Vincent W. (Wiley, 1958)

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 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 protein metabolism - Cathcart, Edward Provan, 1877 - (Longmans, 1912)