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, 1909)

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

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1912)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1885)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1891)

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, 1886)

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

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

Bulletin - United States. Bureau of Entomology. (G.P.O, 1898)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1900)

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

Bulletins - Minnesota Academy of Sciences, Minneapolis

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)

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)

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)

By order of the court, receiver's forced sale : 500,000.00 nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1933)

C. M. Hobbs & Sons - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.M. Hobbs & Sons, 1925)

Calendarium florae for the vicinity of New York - Torrey, John, 1796 -1873 (1818)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1947)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1970)

California horticulture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1939)

California horticulture : the fruit growers' guide - Roeding, George Christian, 1868 -1928 (George C. Roeding, 1909)

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)

Call's Nurseries 1925 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Call's Nurseries, 1925)

Call's Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Call's Nurseries, 1924)

Calvert county - Bauer, L. A. (Louis Agricola), 1865 -1932 (The Johns Hopkins Press, 1907)

The camphor scale - Cressman, A. W. (Albert Wallace), 1900 - (U.S. Dept. of Agriculture, 1935)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1878)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1899)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1900)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1914)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1915)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1918)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1919)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1923)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1921)

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, 1955)

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, 1963)

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, 1968)

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, 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, 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, 1977)

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, 1983)

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, 1987)

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, 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, 1994)

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, 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)