The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2016)

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)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2019)

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)

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, 1908)

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

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1924)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1930)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1937)

Carnivorous plant newsletter - California State University, Fullerton. Arboretum. (International Carnivorous Plant Society, etc, 2004)

Catalogue of the Selous Collection of Big Game in the British Museum (Natural History) - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1921)

Catalogue of the ungulate mammals in the British Museum (Natural History) - Lydekker, Richard, 1849 -1915 (Printed by order of the Trustees, 1915)

Catalogue of the ungulate mammals in the British Museum (Natural History) - Lydekker, Richard, 1849 -1915 (Printed by order of the Trustees, 1916)