The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1903)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1906)

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, 1910)

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

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1915)

Portraits and habits of our birds - Pearson, T. Gilbert (Thomas Gilbert), 1873 -1943 (National Association of Audubon Societies, 1925)

The potential role of the sterility method for insect population control with special reference to combining this method with conventional methods - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1964)

Practical bacteriology, blood work and animal parasitology, including bacteriological keys, zoological tables and explanatory clinical notes - Stitt, E. R. (Edward Rhodes), 1867 -1948 (P. Blakiston's son & co, 1909)

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, blood work and animal parasitology : including bacteriological keys, zoological tables and explanatory clinical notes - Stitt, Edward Rhodes, 1867 - (P. Blakiston, 1914)

Practical bacteriology, blood work and animal parasitology, including bacteriological keys, zoological tables and explanatory clinical notes - Stitt, Edward Rhodes, 1867 - (P. Blakiston's son and co, 1916)

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

Practical biology - Smallwood, W. M. (William Martin), 1873 -1949 (Allyn and Bacon, 1916)

The practical book of garden architecture - Humphreys, Phebe Westcott, Mrs. (J. B. Lippincott company, 1914)

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)

The practical study of malaria and other blood parasites - Christophers, S. R. (Samuel Rickard), 1873 -1978 (Published for the University Press of Liverpool by Williams and Norgate, 1908)

A practical text-book of infection, immunity, and specific therapy, with special reference to immunologic technic - Kolmer, John A. (Saunders, 1917)

A practical text-book of infection, immunity and specific therapy, with special reference to immunologic technic - Kolmer, John A. (W. B. Saunders company, 1915)

A practical text-book of infection, immunity and specific therapy, with special reference to immunilogic technics - Kolmer, John A. (W. B. Saunders company, 1917)

Practical zoology - Hegner, Robert William, 1880 -1942 (Macmillan, 1915)

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

Praktikum der bakteriologie und protozoologie - Hartmann, Max, 1876 -1962 (G. Fischer, 1907)

A preliminary list of the insects of the province of Quebec part II –Diptera (two-winged flies) - Beaulieu, Germain, 1870 -1944 (s.n, 1915)

A preliminary study of food relations of wheat stem sawfly (Cephus Cinctus Norton) larvae - Holmes, Neil Devlin, (University of Alberta, 1949)

Preliminary survey of blood parasites in upland game birds (and some other species) in the Province of Alberta during the winter of 1947-1948 - University of Alberta. Department of Zoology. (University of Alberta, 1948)

Primae lineae systematis naturæ : nexui naturali omnium evolutionique progressivae per nixus reascendentes superstructi - Gori͡aninov, Pavel Fedorovich, 1796 -1865 (Typis Karoli Krajanis, 1834)

Principal household insects of the United States... - Howard, L. O. (Leland Ossian), 1857 -1950 (1902)

Principles of animal ecology - Allee, W. C. (Warder Clyde), 1885 -1955 (Saunders Co, 1949)

The principles of applied zoology - Wardle, Robert A. (Robert Arnold), 1890 -1974 (Longmans, Greem, and co, 1929)

The principles of biology, by J. I. Hamaker - Hamaker, John Irvin, 1869 - (P. Blakiston, 1913)

The principles of biology - Hamaker, J. I. (John Irvin), 1869 - (P. Blakiston's Sons & Co, 1913)

Principles of economic zoölogy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W. B. Saunders Company, 1917)

Principles of economic zoo̤logy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W.B. Saunders, 1915)

Principles of economic zoölogy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W. B. Saunders company, 1912)

Principles of economic zoölogy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W. B. Saunders, 1917)

Principles of economic zoölogy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W.B. Saunders, 1912)

Principles of physiology and hygiene - Fitz, George Wells, 1860 - (H. Holt and company, 1908)

Problems and methods of research in protozoology... - Hegner, Robert William, 1880 -1942 (The Macmillan company, 1930)

Problems in biology - Hunter, George W. (George William), 1873 -1948 (American Book Co, 1931)

Problems in biology - Hunter, George W. (George William), 1873 -1948 (American book company, 1935)

Proceedings - Nova Scotian Institute of Science. (1866)

Proceedings - Dorset Natural History; Archaeological Society.

Proceedings - Entomological Society of Canada (1863-1871) (Entomological Society of Ontario, 1900)

Proceedings - University of Illinois at Urbana-Champaign. College of Agricultural, Consumer; Environmental Sciences. (University of Illinois at Urbana-Champaign, College of Agricultural, Consumer and Environmental Sciences, University of Illinois Extension, 2002)

Proceedings. 5th Biology Conference "Oholo" 1960 - Grossowicz, Nathan. (Elsevier Pub. Co, 1961)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1978)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1938)