The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1919)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1980)

The Canadian naturalist : a series of conversations on the natural history of Lower Canada - Gosse, Philip Henry, 1810 -1888 (John van Voorst, 1840)

The Canadian naturalist : a series of conversations on the natural history of Lower Canada - Gosse, Philip Henry, 1810 -1888 (Coles, 1971)

The Canadian naturalist a series of conversations on the natural history of Lower Canada - Gosse, Philip Henry, 1810 -1888 (J. van Voorst, 1840)

The Canadian naturalist : a series of conversations on the natural history of Lower Canada - Gosse, Philip Henry, 1810 -1888 (J. Van Voorst, 1840)

The Canadian naturalist a series of conversations on the natural history of Lower Canada - Gosse, Philip Henry, 1810 -1888 (John Van Voorst, 1840)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1923)

Casopis Ceské spolecnosti entomologické = Acta Societatis Entomologicae Bohemiae - Ceská spolecnost entomologická (Spolecnost, 1904)

Casopis Ceské spolecnosti entomologické = Acta Societatis Entomologicae Bohemiae - Ceská spolecnost entomologická (Spolecnost, 1908)

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

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)

Catalech de insectes de Catalunya ... - Antiga i Suñer, Pere, 1854 -1904 (tip. "l'Avenç", 1902)

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

Catalogo de las Abejas de Mexico - Cockerell, Theodore D. A. (Theodore Dru Alison), 1866 -1948 (Ofic. tip. de la Secretaria de Fomento, 1899)

Cátalogue des lépidoptères qui composent la collection de feu mr Franck ... Verzeichniss der sammlung von schmetterlingen des vor kurzem verstorbenen - Franck, J. R. (Zu finden bey dessen frau wittwe. [Impr. de mme ve Silbermann, 1826)

Catalogue of British Hymenoptera in the British museum - British Museum (Natural History). Department of Zoology. (Printed by the order of the Trustees, 1876)

Catalogue of British Hymenoptera in the British Museum. Part 1, Andrenidae and Apidae - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1891)

Catalogue of British Hymenoptera in the collection of the British Museum Part I Apidae - Bees - British Museum (Natural History) (1855)

Catalogue of colubrine snakes in the collection of the British Museum - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1858)

Catalogue of hymenopterous insects in the collection of the British museum... - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1853)

Catalogue of hymenopterous insects in the collection of the British museum... - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1854)