Bulletin - United States. Division of Agrostology. (The Division, 1895)

Bulletin - United States. Division of Agrostology. (The Division, 1897)

Bulletin - United States. Division of Agrostology. (The Division, 1898)

Bulletin - United States. Division of Agrostology. (The Division, 1900)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1902)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1903)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1904)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1908)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1909)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1911)

Bulletin - United States. Division of Vegetable Physiology; Pathology. (G.P.O, 1896)

Bulletins - Minnesota Academy of Sciences, Minneapolis

Bulletins de la Société royale de botanique de Belgique - Société royale de botanique de Belgique. (La Société, 1863)

Bulletins de la Société royale de botanique de Belgique - Société royale de botanique de Belgique. (La Société, 1864)

Bulletins de la Société royale de botanique de Belgique - Société royale de botanique de Belgique. (La Société, 1866)

Bulletins des travaux de la Société Murithienne ... - Favre, Émile, 1843 -1905 (Impr. Dulex-Ansermoz, 1867)

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1901)

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1903)

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1904)

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1910)

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1922)

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1921)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1954)

California grasslands and range forage grasses - Chase, Agnes, 1869 -1963 (California Agricultural Experiment Station, College of Agriculture, University of California, 1951)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1916)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1935)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1941)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1947)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1949)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1951)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1954)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1957)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1961)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1963)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1966)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1967)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1969)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1971)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1973)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1974)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1975)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1979)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1981)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1985)

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, 1992)

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, 1996)

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, 2003)

Cardinal Divide area : resource description and comparison with other Rocky Mountain areas - Achuff, P. L. (Alberta Energy and Natural Resources, 1984)

The care of natural monuments with special reference to Great Britain and Germany - Conwentz, Hugo, 1855 -1922 (University Press, 1909)

Carl Bernhard Trinius and John Torrey correspondence, 1834 - Trinius, Carl Bernhard, 1778 -1844 (1834)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1915)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1916)

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, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1920)

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