Catalogus dipterorum hucusque descriptorum - Kertész, Kálmán, 1867 -1922 (G. Engelmann, 1910)

Catalogus systematicus dipterorum Europae - Schiner, Ignaz Rudolph, 1813 -1873 (impensis Societatis zoologico-botanicae editus, 1864)

La Cellule (Van In [etc.], 1898)

La Cellule (Van In [etc.], 1913)

Centralblatt für Bakteriologie, Parasitenkunde und Infektionskrankheiten. 1. Abt, Originale (G. Fischer, 1918)

Centralblatt für Physiologie - Physiologische Gesellschaft zu Berlin. (Toeplitz & Deuticke, 1901)

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 insects of the Dominion of Canada - Natural History Society of Toronto. (s.n.], 1883)

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)

Check-list of the species of fishes known from the Philippine Archipelago - Jordan, David Starr, 1851 -1931 (Bureau of printing, 1917)

Check-list of the species of fishes known from the Philippine Archipelago - Jordan, David Starr, 1851 -1931 (Bureau of printing, 1916)

Chloropidae : eine monographische studie - Becker, Th. (Theodor), 1840 -1928 (Musei Nationalis Hungarici, 1900)

Class book of economic entomology - Lochhead, W. (P. Blakiston's son & co, 1919)

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

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

A classification of living animals - Rothschild, Nathaniel Mayer Victor Rothschild, Baron, 1910 -1990 (Wiley, 1961)

A classified index and synopsis of The animal kingdom arranged in conformity with its organization - Gray, John Edward 1800 -1875 (Printed for Whittaker and Co, 1835)

The Collecting net - Marine Biological Laboratory (Woods Hole, Mass.) (The Collecting net, 1929)

College zoology - Hegner, Robert William, 1880 -1942 (The Macmillan company, 1912)

College zoology - Hegner, Robert William, 1880 -1942 (Macmillan, 1918)

Colour in nature; a study in biology - Newbigin, Marion I. (Marion Isabel), 1869 -1934 (J. Murray, 1898)

The colours of animals : their meaning and use, especially considered in the case of insects - Poulton, Edward Bagnall, Sir, 1856 -1943 (D. Appleton, 1890)

Common vetch and its varieties - McKee, Roland, 1880 - (U.S. Dept. of Agriculture, 1925)

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

Comparative animal physiology - Bishop, David W. (Saunders, 1950)

The comparative physiology of respiratory mechanisms - Krogh, August, 1874 -1949 (University of Pennsylvania press, 1959)

Comparative study of todies (Todidae), with emphasis on the Puerto Rican tody, Todus mexicanus - Kepler, Angela Kay, 1943 - (Nuttall Ornithological Club, 1977)

The complete writings of Thomas Say on the entomology of North America - Ord, George, 1781 -1866 (1883)

The complete writings of Thomas Say on the entomology of North America - LeConte, John L. (John Lawrence), 1825 -1883 (A. E. Foote, 1891)

The complete writings of Thomas Say on the entomology of North America - Ord, George, 1781 -1866 (Baillière brothers, 1859)

Comptes-rendus des séances de la Société entomologique de Belgique - Société entomologique de Belgique. (La Société, 1881)

Comptes-rendus des séances de la Société entomologique de Belgique - Société entomologique de Belgique. (La Société, 1888)

Comptes rendus des séances et mémoires de la Société de biologie - Société de biologie (Paris, France) (Au Bureau de la Gazette médicale, 1880)

Comptes rendus hebdomadaires des séances et mémoires de la Société de biologie - Société de biologie (Paris, France) (G. Masson, 1906)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1850)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1879)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1880)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1883)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1884)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1892)

Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1965)

Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1995)

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

Congrès international d'entomologie : [proceedings] (Hayez, 1933)

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

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

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

Considérations générales sur l'ordre naturel des animaux composant les classes des crustacès, des arachnides, et des insectes; avec un tableau méthodique de leurs genres, disposés en familles - Latreille, P. A. (Pierre André), 1762 -1833 (F. Schoell, 1810)

Contribution to a monograph of the North American Syrphidae - American Philosophical Society. (s.n, 1882)

Contributions à l'étude des larves et des métamorphoses des diptères / par C. Vaney - Vaney, Clément (A. Rey, 1902)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1973)

Contributions to the biology of the Danish Culicid - Wesenberg-Lund, C. (Carl), 1867 -1955 (A. F. Høst & søn, 1920)

Contributions to the biology of the Danish Culicidae - Wesenberg-Lund, C. (Carl), 1867 -1955 (A.F. Host & Son, 1920)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1964)

The cottage gardener, country gentleman's companion and poultry chronicle (G.W. Johnson, 1861)

Les crustacés, les arachnides et les insectes : distribués en familles naturelles - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1829)

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

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1966)

Curtis's botanical magazine - Hooker, Joseph Dalton, 1817 -1911 (Academic Press [etc.], 1910)

Cuvier's Animal kingdom : arranged according to its organization, forming the basis for a natural history of animals, and an introduction to comparative anatomy : illustrated by three hundred engravings on wood - Blyth, Edward, 1810 -1873 (W.S. Orr and Co, 1840)

The cyclopaedia of anatomy and physiology - Owen, Richard, 1804 -1892 (Sherwood, Gilbert, & Piper, 1836)

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, 1849)

The cyclopædia; or, Universal dictionary of arts, sciences, and literature - Rees, Abraham, 1743 -1825 (Longman, Hurst, Rees, Orme & Brown [etc.], 1819)

Darwin and modern science : essays in commemoration of the centenary of the birth of Charles Darwin and of the fiftieth anniversary of the publication of the Origin of species - Darwin, Charles, 1809 -1882 (At the University Press, 1910)

Darwin and modern science; essays in commemoration of the centenary of the birth of Charles Darwin and of the fiftieth anniversary of the publication of the Origin of species. Edited for the Cambridge Philosophical Society and the Syndics of the University press - Darwin, Charles, 1809 -1882 (University Press, 1910)

Darwin and modern science; essays in commemoration of the centenary of the birth of Charles Darwin and of the fiftieth anniversary of the publication of the Origin of species - Seward, A. C. (Albert Charles), 1863 -1941 (University press, 1909)

Darwin and modern science; essays in commemoration of the centenary of the birth of Charles Darwin and of the fiftieth anniversary of the publication of the Origin of species - Seward, A. C. (Albert Charles), 1863 -1941 (University Press, 1909)

Darwinism and the problems of life; a study of familiar animal life - Godman, Frederick Du Cane, 1834 -1919 (A. Owen, 1906)