The parasitic amoebae of man - Craig, Charles Franklin, 1872 -1950 (J. B. Lippincott Company, 1911)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1908)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1909)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1917)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1918)

Parasitology (Cambridge University Press, 1918)

Partial syllabic lists of the clinical morphologies of the blood, sputum, feces, skin, urine, vomitus, foods : including potable waters, ice and the air, and the clothing (after Salisbury) - Cutter, Ephraim, 1832 -1917 (The Ariston, 1888)

Pathogenic micro-organisms : including bacteria and Protozoa; a practical manual for students, physicians and health officers - Park, William Hallock, 1863 -1939 (Kimpton, 1908)

Pathogenic micro-organisms; a text-book of microbiology for physicians and students of medicine - MacNeal, Ward J., 1881 -1946 (P. Blakiston's son & co, 1914)

The pathology and differential diagnosis of infectious diseases of animals - Moore, Veranus A. (Veranus Alva), 1859 -1931 (Taylor & Carpenter, 1902)

Pflanzenphysiologie; Versuche und Beobachtungen an böheren und niederen Pflanzen einschliesslich Bakteriologie und Hydrobiologie mit Planktonkunde - Kolkwitz, R. (Richard), 1873 -1956 (G. Fischer, 1922)

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1911)

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, 1911)

Physiologische studien - Focke, Gustav Woldemar, 1810 -1877 (C. Schünemann, 1847)

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, 1906)

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

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2019)

A picture book of evolution - Hird, Dennis, 1850 -1920 (Watts, 1907)

The plankton of the Illinois river, 1894-1899, with introductory notes upon the hydrography of the Illinois river and its basin - Kofoid, Charles A. (Charles Atwood), 1865 -1947 (1903)

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

The Plasmodiophorales; including a complete host index, bibliography, and a description of diseases caused by species of this order - Karling, John S. (John Sidney), 1898 - (The author, 1942)

The playtime naturalist - Taylor, J. E. (John Ellor), 1837 -1895 (Chatto & Windus, 1889)

Polychaetes & allies : the southern synthesis - Glasby, Christopher John (Environment Australia, 2000)

Ponds and ditches - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Society for Promoting Christian Knowledge, 1880)

Popular illustrations of the lower forms of life - Bree, Charles Robert, 1811 -1886 (H. Cox, 1868)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1874)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1883)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1872)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1907)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1912)

Popular Science Review (1866)

Popular Science Review (1877)

Popular Science Review (1880)

A popular zoology - Jenks, J. W. P. 1819 -1894 (A.S. Barnes & Company, 1887)

Poultry diseases and their treatment - Pearl, Raymond, 1879 -1940 (1911)

Practical bacteriology, blood work and animal parasitology : including bacteriological keys, zoological tables and explanatory clinical notes - Stitt, E. R. (Edward Rhodes), 1867 -1948 (H.K. Lewis, 1913)

Practical bacteriology, microbiology and serum therapy (medical and veterinary) A text book for laboratory use - Besson, Albert, 1868 -1931 (Longmans, Green, and co, 1913)

The practical study of malaria and other blood parasites - Christophers, S. R. (Samuel Rickard), 1873 -1978 (Pub. for the Univ. Press of Liverpool by Williams & Norgate, 1904)

Practical zoölogy : an elementary text-book treating of the structure, life, history, and relations of animals - Davison, Alvin, 1868 -1915 (American Book Company, 1906)

Précis de physiologie microbienne - Arthus, Maurice, 1862 -1945 (Masson, 1921)

A preliminary report on the Protozoa of the fresh waters of Connecticut - Conn, H. W. (Herbert William), 1859 -1917 (Hartford press, The Case, Lockwood & Brainard company, 1905)

Primitive animals - Smith, Geoffrey, 1881 -1916 (The University press, 1911)

Principles of animal biology - Shull, A. Franklin (Aaron Franklin), 1881 -1961 (McGraw-Hill, 1920)