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, 1906)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1903)

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)

One ecosystem : ecology and sustainability data journal (Pensoft Publishers, 2018)

One hundred twenty-fourth annual report of the New York State Museum and Science Service - New York State Museum; Science Service. (University of the State of New York, State Education Dept, 1963)

One thousand objects for the microscope - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (F. Warne, 1869)

One thousand objects for the microscope - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Frederick Warne, 1869)

The ontogeny of insects; [papers] - Ceskoslovenská akademie ved. Sekce biologicka-lékarská. (Academic Press, 1960)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1959)

The Orchid review (Orchid Review ltd.], 1913)

Ornis - International Ornithological Committee. (Carl Gerold's Sohn, 1896)

Der Ornithologische Beobachter - Ala, Schweizerische Gesellschaft für Vogelkunde und Vogelschutz. (Ala, Schweizerische Gesellschaft für Vogelkunde und Vogelschutz, 1913)

Osservazioni naturali intorno alle cavallette nocive della Campagna Romana / [da Luigi Metaxa e Sebastiano Rolle] - Rolle, Sebastiano, (Vincenzo Poggioli, 1825)

Our common insects. A popular account of the insects of our fields, forests, gardens and houses - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalists' Agency, 1873)

Our common insects A popular account of the insects of our fields, forests, gardens, and houses - Packard, A. S. (Alpheus Spring), 1839 -1905 (Estes and Lauriat, 1873)

Our insect friends and enemies; the relation of insects to man, to other animals, to one another, and to plants, with a chapter on the war against insects - Smith, John Bernhard, 1858 -1912 (J.B. Lippincott Company, 1909)

Our summer migrants. An account of the migratory birds which pass the summer in the British islands - Harting, James Edmund, 1841 -1928 (Bickers and son, 1875)

Our summer migrants. An account of the migratory birds which pass the summer in the British Islands - Harting, James Edmund, 1841 -1928 (S. Sonnenschein & co, 1901)

Our summer migrants. An account of the migratory birds which pass the summer in the British Islands - Harting, James Edmund, 1841 -1928 (Bickers and Son, 1875)

The out-door world, or, Young collector's handbook - Furneaux, William S. (Longmans, Green, 1893)

Outlines of creation - Noyce, Elisha. (Ward & Lock, 1858)

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

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (H. Frowde and Hodder & Stoughton, 1921)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (Humphrey Milford, Oxford University Press, 1929)

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

P.A. Latreille scientiarum et artium instituti Gallici ... Genera crustaceorum et insectorum : secundum ordinem naturalem in familias disposita, iconibus exemplisque plurimis explicata - Latreille, P. A. (Pierre André), 1762 -1833 (Apud Amand Knig, Bibliopolam, 1809)

Pacific science - University of Hawaii. (University Press of Hawaii, 1958)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1914)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1942)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1946)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1948)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1983)

Papers from the Tortugas Laboratory of the Carnegie Institution of Washington - Carnegie Institution of Washington. Department of Marine Biology. (Carnegie Institution of Washington, 1918)

Papers on Diptera - Aldrich, John Merton, 1866 -1934 (Smithsonian Institution, 1913)

Les parasites des habitations humaines et des denrees alimentaires ou commerciales - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (G. Masson, 1895)

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 - Mégnin, Pierre, 1828 -1906 (Masson, 1880)

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)

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, 1910)

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

Parasitology (Cambridge University Press, 1918)

Parasitology (Cambridge University Press, 1921)

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

Pathology and therapeutics of the domestic animals - Fröhner, Eugen, 1858 -1940 (W. L. Zuill, 1895)

Patterns and problems of development - Child, Charles Manning, 1869 -1954 (The University of Chicago Press, 1941)

Pearls & parasites - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (Murray, 1908)

Pehr Kalms Resa till Norra Amerika - Kalm, Pehr, 1716 -1779 (Tidnings & tryckeri-aktiebolagets tryckeri, 1904)

Personal narrative of travels to the equinoctial regions of America, during the years 1799-1804 - Humboldt, Alexander von, 1769 -1859 (G. Bell, 1907)

Personal narrative of travels to the equinoctial regions of the new Continent during the years 1799-1804 by Alexander de Humboldt and Aimé Bonpland : with maps, plans &c - Humboldt, Alexander von, 1769 -1859 (Printed for Longman, Hurst, Rees, Orme, and Brown, 1821)

Personal narrative of travels to the equinoctial regions of the New continent during the years 1799-1804 - Humboldt, Alexander von, 1769 -1859 (G. Bell, 1877)

Personal narrative of travels to the equinoctial regions of the new continent, during the years 1799-1804 by Alexander de Humboldt, and Aimé Bonpland : with maps, plans, &c - Humboldt, Alexander von, 1769 -1859 (Printed for Longman, Hurst, Rees, Orme, and Brown, 1827)

Personal narrative of travels to the equinoctial regions of America during the years 1799 - 1804 - Humboldt, Alexander von, 1769 -1859 (George Routledge, 1895)

Personal narrative of travels to the equinoctial regions of America, during the year 1799-1804 - Humboldt, Alexander von, 1769 -1859 (Bohn, 1852)

Personal narrative of travels to the equinoctial regions of the New Continent, during the years 1799-1804, by Alexander de Humboldt, and Aimé Bonpland - Humboldt, Alexander von, 1769 -1859 (Printed for Longman, Hurst, Rees, Orme, and Brown, 1821)

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