Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1906)

Bulletin of popular information - Arnold Arboretum, Harvard University - Arnold Arboretum. (Arnold Arboretum, 1911)

Bulletin of popular information - Arnold Arboretum, Harvard University - Arnold Arboretum. (Arnold Arboretum, 1935)

Bulletin of popular information - Arnold Arboretum, Harvard University - Arnold Arboretum. (Arnold Arboretum, 1939)

Bulletin of popular information - Arnold Arboretum, Harvard University - Arnold Arboretum. (Arnold Arboretum, 1940)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1898)

Bulletin of the Botanical Department, Jamaica - Fawcett, William, 1851 -1926 (Botanical Dept, 1901)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1910)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1918)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1966)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1981)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1984)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1988)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1992)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1994)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2022)

Bulletin of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1921)

The Bulletin of the Pictou Academy Scientific Association - Pictou Academy Scientific Association. (Pictou Academy, 1906)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1959)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1909)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1916)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1920)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1886)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1914)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1915)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1916)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1917)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1919)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1920)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1922)

Bulletin of the Wisconsin Natural History Society - Wisconsin Natural History Society. (The Society, 1914)

Bulletin - Ohio Biological Survey. (Ohio State University, 1913)

Bulletin - Ohio Biological Survey. (Ohio State University, 1915)

Bulletin - Ontario. Dept. of Agriculture. (The Dept, 1905)

Bulletin - Smithsonian Institution. (G.P.O, 1932)

Bulletin - Smithsonian Institution. (G.P.O, 1936)

Bulletin - Smithsonian Institution. (G.P.O, 1951)

Bulletin - Smithsonian Institution. (G.P.O, 1955)

Bulletin - Smithsonian Institution. (G.P.O, 1954)

Bulletin - Smithsonian Institution. (G.P.O, 1960)

Bulletin - Smithsonian Institution. (G.P.O, 1963)

Bulletin - Smithsonian Institution. (G.P.O, 1964)

Bulletin - State Geological and Natural History Survey of Connecticut - State Geological; Natural History Survey of Connecticut. (State Geological and Natural History Survey of Connecticut, 1923)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1906)

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

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1905)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1906)

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. Bureau of Entomology. (G.P.O, 1887)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1888)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1896)

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

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

Bulletins - Minnesota Academy of Sciences, Minneapolis

Bulletins de l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1852)

Burgsdorfs Anviisning til at opelske indenlandske og udenlandske Træearter i det Frie : Obersat og omargeidet til anbendelse for Dannemark og Holsteen - Burgsdorf, Friedrich August Ludwig von, 1747 -1802 (Gylendals Forlag, 1799)

Burned area emergency stabilization and rehabilitation plan : coal seam fire - United States. Bureau of Land Management. Glenwood Springs Field Office. (U.S. Forest Service, White River National Forest, Bureau of Land Management, Glenwood Springs Field Office, 2002)

Bush-fruits - Card, Fred W. (Fred Wallace), 1863 -1941 (Macmillan, 1917)

Butterflies and moths of Newfoundland and Labrador : the macrolepidoptera - Morris, Ray F. (Agriculture Canada, 1980)

The butterflies of the eastern United States and Canada : with special reference to New England - Riley, Charles V. (Charles Valentine), 1843 -1895 (The author, 1889)

Butterflies; their structure, changes and life-histories, with special reference to American forms. Being an application of the "Doctrine of descent" to the study of butterflies. With an appendix of practical instructions - Scudder, Samuel Hubbard, 1837 -1911 (H. Holt and company, 1881)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1981)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1982)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1986)

California range brushlands and browse plants - Sampson, Arthur W. (Arthur William), 1884 -1967 (University of California, Division of Agricultural Sciences, California Agricultural Experiment Station, Extension Service, 1963)

Canada lynx conservation assessment and strategy - U.S. Fish; Wildlife Service ([U.S. Department of Agriculture, Forest Service], 2000)

Canadian bark-beetles - Swaine, J. M. (James Malcolm), 1878 -1955 (Printed by J. de L. Taché, 1917)

Canadian bark-beetles - Swaine, J. M. (James Malcolm), 1878 -1955 (Printed by J. de L. Taché, 1918)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1908)

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, 1927)

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, 1959)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1960)

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, 1962)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1964)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1965)

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, 1972)

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, 1975)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1976)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1978)

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, 1980)

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, 1982)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1984)

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)