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, 1918)

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, 1921)

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, 1907)

Bulletin of the Wisconsin Natural History Society - Wisconsin Natural History Society. (The Society, 1910)

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

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

Bulletin - Peabody Museum of Natural History. (The Museum, 1952)

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

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

Bulletin - Société d'histoire naturelle d'Autun (France) (La Socit, 1888)

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 trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1906)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1911)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1912)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1913)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1918)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1920)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1923)

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

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

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, 1883)

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

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

Bulletin - Vermont Bird Club (The Club, 1907)

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. (1841)

Bulletins de la Société royale de botanique de Belgique - Société royale de botanique de Belgique. (La Société, 1862)

Bulletins on forest pathology : from Bulletin U.S.D.A., Washington, D.C., 1913-1925] - United States. Department of Agriculture. (U.S. Dept. of Agriculture, 1913)

The Buprestidae of North America, exclusive of Mexico, a catalogue including synonomy, bibliography, distribution, type locality and hosts of each species - Chamberlin, W. J. (Willard Joseph), 1890 -1971 (1926)

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)

C. E. Hobbs Botanical hand-book of common local, English, botanical and pharmacopial names arranged in alphabetical order, of most of the crude vegetable drugs, etc., in common use. Especially designed as a reference book for druggists and apothecaries - Hobbs, Charles E. (Printed by C.C. Roberts, 1876)