The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1991)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1999)

Caroli Linnæi Systema naturæ. Regnum animale - Linné, Carl von, 1707 -1778 (Sumptibus Guilielmi Engelmann, 1894)

Casopis Ceské spolecnosti entomologické = Acta Societatis Entomologicae Bohemiae - Ceská spolecnost entomologická (Spolecnost, 1909)

Casopis Ceské spolecnosti entomologické = Acta Societatis Entomologicae Bohemiae - Ceská spolecnost entomologická (Spolecnost, 1912)

Cassell's dictionary of practical gardening; an illustrated encyclopædia of practical horticulture for all classes - Wright, Walter P. (Walter Page), 1864 -1940 (Cassell and company, limited, 1902)

Catalog of hymenoptera in America north of Mexico - Krombein, Karl V. (Smithsonian Institution Press, 1979)

Catalogue de la bibliothèque - Bohnensieg, G. C. W. (Georg Carl Wilhelm), 1828 - (Héritiers Loosjes, 1885)

Catalogue of books on natural history; offered at the net prices affixed by Bernard Quaritch - Bernard Quaritch (Firm) (1912)

Catalogue of injurious insects in Japan (exclusive of animal parasites) - Shiraki, Tokuichi, 1882 -1970. (1952)

Catalogue of publications relating to entomology in the Library of the U.S. Department of Agriculture - United States. Department of Agriculture. Library, (Govt. Print. Off, 1906)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1870)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1877)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1879)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1891)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1902)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1914)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1915)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1916)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1918)

Catalogue of the books, manuscripts, maps and drawings in the British museum (Natural history) .... - Woodward, Bernard Barham, 1853 -1930 (Printed by order of the Trustees, 1904)

Catalogue of the books, manuscripts, maps and drawings in the British museum (Natural history) .... - Woodward, Bernard Barham, 1853 -1930 (Printed by order of the Trustees, 1933)

Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus - Dalla Torre, K. W. von (Karl Wilhelm), 1850 -1928 (G. Engelmann, 1892)

Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus - Dalla Torre, K. W. von (Karl Wilhelm), 1850 -1928 (G. Engelmann, 1897)

Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus - Dalla Torre, K. W. von (Karl Wilhelm), 1850 -1928 (G. Engelmann, 1894)

Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus - Dalla Torre, K. W. von (Karl Wilhelm), 1850 -1928 (G. Engelmann, 1896)

The cell in development and heredity - Wilson, Edmund B. (Edmund Beecher), 1856 -1939 (The Macmillan Co, 1928)

Centralblatt für Bakteriologie und Parasitenkunde (G. Fischer, 1888)

The Century dictionary : an encyclopedic lexicon of the English language: prepared under the superintendence of William Dwight Whitney - Whitney, William Dwight, 1827 -1894 (Century Co, 1889)

Check-list and bibliography on the occurrence of insects in birds' nests - Hicks, Ellis A. (Iowa State College Press, 1959)

Check-list of the insects of Connecticut - Britton, Wilton Everett, 1868 -1939 (Printed for the State Geological and Natural History Survey, 1920)

Check-list of the insects of Connecticut - Britton, Wilton Everett, 1868 -1939 (State Geological and Natural History Survey, 1920)

Chemical embryology - Needham, Joseph, 1900 - (The MacMillan Co, 1931)

Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada - Lochhead, W. (Blakiston, 1919)

Classification and evolution of the Oraseminae in the old world, including revisions of two closely related genera of Eucharitinae (Hymenoptera: Eucharitidae) - Royal Ontario Museum. (Royal Ontario Museum, 1994)

College zoology - Hegner, Robert William, 1880 -1942 (Macmillan, 1959)

Comparative anatomy - Siebold, C. Th. E. von (Carl Theodor Ernst), 1804 -1885 (Trubner, 1854)

Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1974)

Congrès international d'entomologie : [proceedings] (Hayez, 1939)

Congrès international d'entomologie : [proceedings] (Hayez, 1938)

Congrès international d'entomologie : [proceedings] (Hayez, 1958)

Congrès international d'entomologie : [proceedings] (Hayez, 1910)

Congrès international d'entomologie : [proceedings] (Hayez, 1971)

Congrès international d'entomologie : [proceedings] (Hayez, 1972)

Congrès international d'entomologie : [proceedings] (Hayez, 1980)

Congrès international d'entomologie : [proceedings] (Hayez, 1984)

Congrès international d'entomologie : [proceedings] (Hayez, 1988)

Congrès international d'entomologie : [proceedings] (Hayez, 1992)

Congrès international d'entomologie : [proceedings] (Hayez, 1996)

Congrès international d'entomologie : [proceedings] (Hayez, 2000)

Congrès international d'entomologie : [proceedings] (Hayez, 2008)

Congrès international d'entomologie : [proceedings] (Hayez, 2012)

Congrès international d'entomologie : [proceedings] (Hayez, 2016)

Contribución a la entomología cubana - Gundlach, Johannes Christoph, 1810 -1896 (G. Montiel, 1886)

A contribution to the morphology and biology of insect galls - Cosens, A. (Absalom), 1938 (University library, pub. by the librarian, 1912)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1982)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1983)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1987)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1958)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1951)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1973)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1975)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951)

Correspondence : Thomas (Friedrich) and Engelmann (George), 1880-1883 - Thomas, Friedrich August Wilhelm, 1840 -1918 (1880)

Crop protection research - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Science and Education Administration, Agricultural Research, 1981)

Culture methods for invertebrate animals - Galtsoff, Paul S. (Paul Simon), 1887 -1979 (Dover Publications, 1959)

Current topics in forest entomology : selected papers from the XVth International Congress of Entomology, Washington, D.C., 1976 (United States Dept. of Agriculture, Forest Service, 1979)

The cyclopaedia of anatomy and physiology - Todd, Robert Bentley, 1809 -1860 (Longman, Brown, Green, Longmans, & Roberts, 1852)

The cyclopaedia of anatomy and physiology - Todd, Robert Bentley, 1809 -1860 (Longman, Brown, Green, Longmans, & Roberts, 1859)

Cynipid galls of the Eastern United States - Weld, Lewis Hart, 1875 -1964 (1959)

Danmarks fauna; illustrerede haandbøger over den danske dyreverden... - Dansk naturhistorisk forening. (G.E.C. Gad, 1966)

Denkschriften der Kaiserlichen Akademie der Wissenschaften / Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Aus der Kaiserlich-Königlichen Hof- und Staatsdruckerei, 1878)

The descent of man and selection in-relation to sex - Darwin, Charles, 1809 -1882 (John Murray, 1888)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (Appleton, 1889)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (John Murray, 1882)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (A.L. Burt, 1874)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (John Murray, 1888)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (J. Murray, 1890)

The descent of man and selection in relation to sex - Darwin, Charles, 1809 -1882 (J. Murray, 1889)

The descent of man : and selection in relation to sex - Darwin, Charles, 1809 -1882 (Merrill and Baker, 1874)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (John Murray, 1871)