The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2009)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2014)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2017)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2018)

Canaries in the catbird seat : the past, present, and future of biological resources in a changing environment - Illinois. Natural History Survey Division (Illinois Natural History Survey, 2009)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1909)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1918)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1938)

Cassell's natural history - Duncan, P. Martin (Peter Martin), 1821 -1891 (Cassell, Petter & Galpin, 1876)

Cassell's natural history - Duncan, F. Martin (Francis Martin), 1873 -1961 (Cassell and Co, 1913)

Cassell's natural history - Duncan, P. Martin (Peter Martin), 1821 -1891 (Cassell & Company, Limited, 1896)

Cassell's natural history - Duncan, P. Martin (Peter Martin), 1821 -1891 (Cassell & Company, Limited, 1891)

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, 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 the books, manuscripts, maps and drawings in the British museum (Natural history) .... - Woodward, Bernard Barham, 1853 -1930 (Printed by order of the Trustees, 1910)

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, 1913)

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, 1922)

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)

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, 1940)

A catalogue of the British non-parasitical worms in the collection of the British Museum - Johnston, George, 1797 -1855 (Printed by order of the Trustees, 1865)

Catalogue of the collections - Holmes, E. M. (Edward Morell), 1843 -1930 (Pharmaceutical Society of Great Britain, 1878)

Catalogue of the collections in the museum of the Pharmaceutical Society of Great Britain compiled by E.M. Holmes - Holmes, E. M. (Edward Morell), 1843 -1930 (The Society, 1878)

Catalogue of the science collections for teaching and research in the South Kensington Museum - South Kensington Museum. (Printed for H.M. Stationery Off. by Eyre and Spottiswoode, 1891)

The causes and course of organic evolution - Macfarlane, John Muirhead, 1855 -1943 (The Macmillan Company, 1918)

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

La Cellule (Van In [etc.], 1891)

Centennial of entomology in Canada, 1863-1963 : a tribute to Edmund M. Walker - Royal Ontario Museum. (University of Toronto Press, 1966)

Centralblatt für Bakteriologie, Parasitenkunde und Infektionskrankheiten. 1. Abt (Gustav Fischer, 1901)

Centralblatt für Bakteriologie, Parasitenkunde und Infektionskrankheiten. 1. Abt, Originale (G. Fischer, 1901)

Centralblatt für Physiologie - Physiologische Gesellschaft zu Berlin. (Toeplitz & Deuticke, 1888)

Centralblatt für Physiologie - Physiologische Gesellschaft zu Berlin. (Toeplitz & Deuticke, 1900)

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)

A century of biological research - Mills, Harlow B. (Harlow Burgess), 1906 -1971 (Illinois Natural History Survey, 1958)

Certain limnological characteristics of the La Biche and Wandering Rivers - Robertson, Michael Ross. (1967)

Checklist of Fish and Invertebrates Listed in the CITES Appendices - Almada-Villela, Patricia C. (Nature Conservancy Council, 1988)

Checklist of fish and invertebrates listed in the CITES appendices (1995)

Checklist of fish and invertebrates listed in the CITES appendices and in EC Regulation 338/97 (2001)

Checklists for the CORINE Biotopes Programme and its application in the PHARE countries of Central and East Europe: including comparisons with relevant conventions and agreements on the conservation of European species and habitats - WCMC (EC, 1994)

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

Circular / U.S. Fish and Wildlife Service - U.S. Fish; Wildlife Service (U.S. G.P.O.,, 1962)

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

Classification of the animal kingdom - Blackwelder, Richard Eliot 1909 -2001 (Southern Illinois University Press, 1963)

Coleoptera: Lamellicornia - Arrow, G. J. (Gilbert John), 1873 -1948 (Taylor and Francis, 1949)

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

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

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

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

Comparative anatomy and physiology - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Cassell, 1885)

Comparative anatomy and physiology - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Lea Brothers, 1885)

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

Comparative cytological studies with especial regard to the morphology of the nucleolus - Montgomery, Thomas Harrison, 1873 -1912 (Ginn & Company, 1898)

A comparative limnological study of five lakes in Central Alberta - Kerekes, Joseph. (1965)

A comparative limnological study of Lac La Biche and Beaver Lake, Alberta - Pinsent, Morley Edward. (1967)

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

Comparative studies of the zoobenthos of a natural and man-made rocky habitat on the eastern shore of Lake Michigan - University of Michigan. Great Lakes Research Division. (University of Michigan, 1981)

A compendium of botanic materia medica :for use of students in medicine and pharmacy. With a glossary - Waggaman, Samuel. (W.H. Lowdermilk & Co, 1895)

Compte-rendu des séances du sixième Congrès international de zoologie, tenu à Berne du 14 au 19 août 1904 (W. Kündig & fils, 1905)

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

The conchologist's text-book : embracing the arrangements of Lamarck and Linnaeus with a glossary of technical terms, to which is added a brief account of the mollusca - MacGillivray, William 1796 -1852 (A. Fullarton, 1858)

The conchologist's text-book : embracing the arrangements of Lamarck and Linnæus, with a glossary of technical terms : to which is added a brief account of the Mollusca - MacGillivray, William 1796 -1852 (A. Fullerton, 1853)

The conchologist's text-book : embracing the arrangements of Lamarck and Linnaeus with a glossary of technical terms, to which is added a brief account of the mollusca - MacGillivray, William 1796 -1852 (A. Fullarton, 1859)

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

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

A contribution to insect embryology - Wheeler, William Morton, 1865 -1937 (Ginn & Company, 1893)