Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1969)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1970)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1971)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1973)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1977)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1989)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2016)

Bulletin of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1908)

Bulletin - Southern California Academy of Sciences. (The Academy, 1971)

Bulletin - Southern California Academy of Sciences. (The Academy, 1972)

Bulletin - Southern California Academy of Sciences. (The Academy, 1975)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1920)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1929)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1943)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1947)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1950)

Bulletin - Southern California Academy of Sciences. (The Academy, 1988)

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

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1964)

Bulletin - Southern California Academy of Sciences. (The Academy, 1999)

Bulletin - Southern California Academy of Sciences. (The Academy, 2000)

Bulletin - Southern California Academy of Sciences. (The Academy, 2001)

Bulletin - Southern California Academy of Sciences. (The Academy, 2002)

Bulletin - Southern California Academy of Sciences. (The Academy, 2003)

Bulletin - Southern California Academy of Sciences. (The Academy, 2005)

Bulletin - Southern California Academy of Sciences. (The Academy, 2007)

Bulletin - Southern California Academy of Sciences. (The Academy, 2010)

Bulletin - Southern California Academy of Sciences. (The Academy, 2012)

Bulletin - Southern California Academy of Sciences. (The Academy, 2015)

Bulletin - Southern California Academy of Sciences. (The Academy, 2017)

Bulletin - Southern California Academy of Sciences. (The Academy, 2019)

Bulletin of the United States Geological and Geographical Survey of the Territories - Geological; Geographical Survey of the Territories (U.S.) (Government Printing Office, 1875)

Bulletin of the United States Geological and Geographical Survey of the Territories - Geological; Geographical Survey of the Territories (U.S.) (Government Printing Office, 1878)

Bulletin of the United States Geological Survey - Geological Survey (U.S.) (G.P.O, 1907)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1883)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1884)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1946)

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, 1900)

Bulletin - Smithsonian Institution. (G.P.O, 1925)

Bulletin - Smithsonian Institution. (G.P.O, 1941)

Bulletin - Smithsonian Institution. (G.P.O, 1957)

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

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

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

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1910)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1892)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1895)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 1928)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 1952)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 1953)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 1958)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 1964)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 1963)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 1967)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 1969)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 1978)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 1980)

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1916)

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. Hart Merriam papers : including correspondence, papers relating to career with the United States Biological Survey - Merriam, C. Hart (Clinton Hart), 1855 -1942 (1871)

C. Hart Merriam papers : including correspondence, papers relating to career with the United States Biological Survey - Merriam, C. Hart (Clinton Hart), 1855 -1942 (1886)

Cacti and succulent : rare and unusual plants ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.W. Kelly, 1940)

Cacti and succulents : 1941 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.W. Kelly, 1941)

Cacti and succulents : 1942 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.W. Kelly, 1942)

Cacti and succulents : rare and unusual plants from all over the world - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.W. Kelly, 1939)

California birds - California Field Ornithologists. (California Field Ornithologists, 1970)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1921)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1934)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1938)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1948)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1955)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1961)