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, 1989)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1990)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1991)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1992)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1993)

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, 1996)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1997)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1998)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1999)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2000)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2001)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2002)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2003)

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, 2005)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2007)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2008)

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, 2011)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2013)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2015)

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)

Canadian forest industries (Southam Business Publications, 1914)

Canadian forest industries (Southam Business Publications, 1921)

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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)

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Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1914)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1921)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1927)

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Carnivorous plant newsletter - California State University, Fullerton. Arboretum. (International Carnivorous Plant Society, etc, 2010)

Castlemaine Naturalist - Castlemaine Field Naturalists Club (Castlemaine Field Naturalists Club, 1999)

A catalog and bibliography of the Buprestoidea of America north of Mexico - Nelson, Gayle H (Coleopterists Society, 2008)

Catalog and planting guide : evergreens, ornamental and deciduous trees, shrubs. No. 37, spring 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pikes Peak Nurseries, 1957)

Catalog and planting guide : evergreens, ornamental and deciduous trees, shrubs, nut trees, fruit trees. no. 41, spring 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pikes Peak Nurseries, 1959)

Catalog and planting guide : evergreens, ornamental and deciduous trees, roses, shrubs. no. 39, spring 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pikes Peak Nurseries, 1958)

Catalog no. 160, 1950-1951 : trees, shrubs, vines, evergreens, perennials, roses, garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Siebenthaler Company, 1950)

A catalog of cultivated woody plants of the southeastern United States - Meyer, Frederick G. 1917 -2006 (U.S. Dept. of Agriculture, Agricultural Research Service, 1994)

Catalog of Ohio vascular plants : arranged according to the phyletic classification : with notes on the geographical distribution in the state, based mainly on specimens in the State Herbarium, Botanical Laboratory, the Ohio State University - Schaffner, John H. (John Henry), 1866 -1939 (Ohio State University, 1914)

Catalog of Ohio vascular plants, arranged according to the phyletic classification; with notes on the geographical distribution in the state, based mainly on specimens in the State Herbarium, Botanical Laboratory, the Ohio State University - Schaffner, John H. (John Henry), 1866 -1939 (The Ohio State University, 1914)

Catalogue no. 143, 1942 : trees, shrubs, vines, evergreens, perennials, roses, garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Siebenthaler Company, 1942)

Catalogue of plants 2010 : Adelaide, Mount Lofty and Wittunga Botanic Gardens - Botanic Gardens Of Adelaide; State Herbarium (Botanic Gardens of Adelaide, 2010)

Catalogue of the flora of Missouri - Missouri Botanical Garden. (Missouri Botanical Garden, 1990)

Catalogue of the flowering plants and ferns of Connecticut growing without cultivation - Graves, Charles Burr, 1860 -1936 (Printed for the State Geological and Natural History Survey, 1910)

Catalogue of the flowering plants and ferns of Connecticut growing without cultivation - Graves, Charles Burr, 1860 -1936 (Printed for the State Geological and Natural History SUrvey, 1910)

Catalogue of the flowering plants and ferns of Connecticut growing without cultivation - Harger, Edgar Burton, 1867 - (Printed for the State Geological and Natural History Survey, 1910)

Catalogue of the library of the Arnold Arboretum of Harvard University - Sargent, Charles Sprague, 1841 -1927 (Printed at the Cosmos Press, 1914)

Catesbeiana : bulletin of the Virginia Herpetological Society - Virginia Herpetological Society. (The Society, 1996)

Catesbeiana : bulletin of the Virginia Herpetological Society - Virginia Herpetological Society. (The Society, 1999)

Catesbeiana : bulletin of the Virginia Herpetological Society - Virginia Herpetological Society. (The Society, 2000)

Catesbeiana : bulletin of the Virginia Herpetological Society - Virginia Herpetological Society. (The Society, 2006)

Catesbeiana : bulletin of the Virginia Herpetological Society - Virginia Herpetological Society. (The Society, 2009)

Catesbeiana : bulletin of the Virginia Herpetological Society - Virginia Herpetological Society. (The Society, 2011)

Catesbeiana : bulletin of the Virginia Herpetological Society - Virginia Herpetological Society. (The Society, 2012)

Catesbeiana : bulletin of the Virginia Herpetological Society - Virginia Herpetological Society. (The Society, 2019)

A Catskill flora and economic botany - Brooks, Karl L. (University of the State of New York, State Education Dept, 1979)

A Catskill flora and economic botany - Brooks, Karl L. (University of the State of New York, State Education Dept, 1980)

Cavity-nesting birds of Arizona and New Mexico forests - Patton, David R. (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1975)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 1972)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 1988)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 2011)

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Check list of the forest trees of the United States, their names and ranges - Sudworth, George B. (George Bishop), 1864 -1927 (U.S. Govt. Print. Off, 1927)

A checklist of New York State plants - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1986)

Checklist of plants of the Ottawa District - Gillett, John M. (John Montague), 1918 -2014 (1958)

Checklist of the vascular plants of Alabama from the John D. Freeman Herbarium and the University of Alabama Herbarium - Morton, Cynthia M. (Carnegie Museum of Natural History, 2002)

Checklist of the vascular plants of Powdermill Nature Reserve, Westmoreland County, Pennsylvania - Utech, Frederick H. (Carnegie Museum of Natural History, 1999)

Checklist of vascular plants of the Ottawa-Hull region, Canada = Liste des plantes vasculaires de la râegion d'Ottawa-Hull, Canada - Gillett, John M. (John Montague), 1918 -2014 (National Museum of Natural Sciences, National Museums of Canada, 1978)

Cherry Hill Nurseries, 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cherry Hill Nurseries, 1947)

Cherry Hill Nurseries 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cherry Hill Nurseries, 1948)

Chestnut blight (1906)

Cicadelles des arbres ornementaux et fruitiers du Canada - Canada. Agriculture Canada (Agriculture Canada, 1985)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 1995)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 2000)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 2003)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 2008)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 2016)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 2019)

The climax forest of Isle Royale - Cooper, William Skinner, 1884 -1978 (1913)