The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1909)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1912)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1919)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1911)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1913)

On the compound vision and the morphology of the eye in insects - Lowne, B. T. (Benjamin Thompson), 1839 -1925 (Printed for the Linnean Society by Taylor and Francis, 1884)

On the development, morphology, and economic importance of chicken cestodes. Morphology of adult and larval cestodes from poultry. Studies on the transmission and prevention of cestode infection in chickens - Gutberlet, John Earl, 1887 - (1916)

On the development, morphology, and economic importance of chicken cestodes - Gutberlet, John Earl, 1887 - (1916)

On the Diptera of St. Vincent (West Indies) - Aldrich, John Merton, 1866 -1934 (Royal Entomological Society of London, 1896)

On the modifications of the simple and compound eyes of insects - Lowne, B. T. (Benjamin Thompson), 1839 -1925 (Royal Society, 1878)

On the role of insects, arachnids and myriapods, as carriers in the spread of bacterial and parasitic diseases of man and animals. A critical and historical study - Austen, E. E. (Ernest Edward), 1867 -1938 (J. & A. Churchill, 1900)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1900)

Our household insects, an account of the insect-pests found in dwelling-houses - Butler, Edward Albert, 1845 -1925 (Longmans, Green, and co, 1893)

Our household insects : an account of the insect-pests found in dwelling-houses - Butler, Edward A. (Edward Albert), 1845 - (Longmans, Green, 1896)

Our insect friends and foes - Duncan, F. Martin (Francis Martin), 1873 -1961 (Methuen, 1911)

Outlines of economic zoölogy - Reese, A. M. (Albert Moore), 1872 -1965 (P. Blakiston's Son & Co, 1919)

Outlines of general zoology - Baird, Spencer Fullerton, 1823 -1887 (Rudolph Garrigue, 1851)

Over de bevruchting der bloemen in het kempisch gedeelte van Vlaanderen - MacLeod, Julius, 1857 -1919 (Vuylsteke, 1894)

The oviposition response of insects - Richardson, Charles H. (Charles Howard), 1887 - (U.S. Dept. of Agriculture, 1925)

Pacific science - University of Hawaii. (University Press of Hawaii, 1947)

Pacific science - University of Hawaii. (University Press of Hawaii, 1949)

Pamphlets on forest protection (1900)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1934)

Papéis avulsos do Departamento de Zoologia - São Paulo Departamento de Zoologia (A Secretaria, 1946)

Papéis avulsos do Departamento de Zoologia - São Paulo Departamento de Zoologia (A Secretaria, 1945)

Papéis avulsos do Departamento de Zoologia - São Paulo Departamento de Zoologia (A Secretaria, 1948)

Papéis avulsos do Departamento de Zoologia - São Paulo Departamento de Zoologia (A Secretaria, 1952)

[Papers on Diptera] - Kowarz, Ferdinand, 1838 -1914 (Smithsonian Institution, 1879)

Parasites : a treatise on the entozoa of man and animals, including some account of the ectozoa - Cobbold, T. Spencer (Thomas Spencer), 1828 -1886 (J. & A. Churchill, 1879)

Parasites a treatise on the entozoa of man and animals including some account of the ectozoa - Cobbold, T. Spencer (Thomas Spencer), 1828 -1886 (J. & A. Churchill, 1879)

Parasites and parasitic diseases of cattle in Puerto Rico - Van Volkenberg, H. L. (Horatio Luther), 1893 - (Puerto Rico Agricultural Experiment Station, 1934)

Parasites and parasitosis of the domestic animals, the zoölogy and control of the animal parasites and the pathogenesis and treatment of parasitic disease - Underhill, Benjamin Mott. (The Macmillan company, 1920)

Les parasites et les maladies parasitaires chez l’homme, les animaux domestiques et les animaux sauvages: avec lesquels ils peuvent étre en contact : insectes, arachnides, crustacés - Royal College of Physicians of Edinburgh. (G. Masson, 1880)

Parasites : a treatise on the entozoa of man and animals including some account of the ectozoa - Cobbold, T. Spencer (Thomas Spencer), 1828 -1886 (J. & A. Churchill, 1879)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1911)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1914)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1915)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1916)

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

Parasitology (Cambridge University Press, 1922)

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)

Pathologie interne - Cadéac, Célestin, 1858 -1952 (J.B. Baillière, 1913)

Pathologie interne - Cadéac, Célestin, 1858 -1952 (J.B. Baillière, 1914)

The pathology and differential diagnosis of infectious diseases of animals : prepared for students and practitioners of veterinary medicine - Moore, Veranus A. (Veranus Alva), 1859 -1931 (Macmillan, 1916)

The pathology and differential diagnosis of infectious diseases of animals - Moore, Veranus A. (Veranus Alva), 1859 -1931 (Taylor & Carpenter, 1908)

Persische Dipteren von den Expeditionen des Herrn N. Zarudny 1898 und 1901 - Stein, P. (Paul), 1852 -1921 (Akademie der wissenschaften, 1913)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)