The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1901)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1899)

Canada's missing dimension : science and history in the Canadian Arctic Islands - Harington, C. R. (Charles Richard), 1933 - (Canadian Museum of Nature, 1990)

Canadian butterflies worth knowing - Weed, Clarence Moores, 1864 -1947 (Musson, 1917)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1875)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1876)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1884)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1896)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1903)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1920)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1920)

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

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1986)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1987)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1988)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1994)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1995)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2004)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2011)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2012)

Beitrag zur Microlepidopterenfauna des canarischen Archipels - Rebel, H. (Hans), 1861 - (1892)

Capital natural de México - Sarukhan, Jose (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2008)

Capital natural de México - Sarukhan, Jose (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2009)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1906)

Carnivorous plant newsletter - California State University, Fullerton. Arboretum. (International Carnivorous Plant Society, etc, 2016)

Cascade-Siskiyou National Monument : draft resource management plan/environmental impact statement - United States. Bureau of Land Management. Medford District. (U.S. Department of the Interior, Bureau of Land Management, Medford District Office, 2002)

Casopis Ceské spolecnosti entomologické = Acta Societatis Entomologicae Bohemiae - Ceská spolecnost entomologická (Spolecnost, 1917)

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

Catalog der Lepidopteren des europæischen Faunengebiets. I. Macrolepidoptera - Staudinger, Otto, 1830 -1900 (Dr. O. Staudinger [etc.], 1871)

Catalog der Lepidopteren des palaearctischen Faunengebietes - Staudinger, Otto, 1830 -1900 (1901)

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

A catalogue/checklist of the butterflies of America, north of Mexico - Miller, Lee D. (Lepidopterists' Society, 1981)

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

Catalogue des coléoptères de la chaîne des Vosges et des régions limitrophes - Bourgeois, Jules, 1847 -1911 (Decker, 1909)

Catalogue of family-group and genus-group names (Lepidoptera : Rhopalocera) - Bridges, Charles A. (C.A. Bridges, 1988)

Catalogue of First Great National Entomological Exhibition, held at the Royal Aquarium, Westminster - Royal Aquarium (Great Britain) (T.P. Newman, printer, 1878)

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

A catalogue of manuscripts in the Entomology Library of the Natural History Museum, London - Natural History Museum (London, England) (Mansell, 1996)

Catalogue of museum of natural history and miscellaneous antiquities, curios, &c - Miller, Donald. (Manse Printing Press, 1922)

Catalogue of Papilionidae & Pieridae (Lepidoptera, Rhopalocera) - Bridges, Charles A. (C.A. Bridges, 1988)