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

Bulletin - United States. Bureau of Entomology. (G.P.O, 1893)

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

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

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

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

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 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. (1853)

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. (1863)

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, 1865)

Bulletins des séances de la Classe des Sciences / Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (Acad, 1863)

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, 1892)

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1896)

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1898)

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1900)

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

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1907)

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

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1912)

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1914)

Bumblebees and their ways - Plath, O. E. (Otto Emil), 1885 -1940 (The Macmillan Company, 1934)

Burnett Bros., Inc. : 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1941)

Burnett Brothers seedsmen : 1914 seeds, bulbs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros, 1914)

Burnett Brothers seedsmen : 1915 seeds, bulbs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros, 1915)

Burnett's autumn catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1925)

Burnett's bulbs, seeds and plants for fall planting : autumn 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Brothers, 1923)

Burnett's seeds, 1905-1945, 40th Anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Brothers, Incorporated, 1945)

Burnett's seeds, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1930)

Burnett's seeds, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1931)

Burnett's seeds, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1932)

Burnett's seeds, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1933)

Burnett's seeds, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1934)

Burnett's seeds, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1935)

Burnett's seeds, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1936)

Burnett's seeds, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Brothers, Inc, 1938)

Burnett's seeds, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1939)

Burnett's seeds, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1940)

Burnett's seeds : spring 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros, 1924)

Burnett's seeds : spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros, 1925)

Burnett's seeds : spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros, 1926)

Burnett's seeds : spring 1927 /Burnett Bros - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros, 1927)

Burnett's seeds : spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros, 1928)

Burnett's seeds : spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1929)

Burpee's annual : 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1921)

Burpee's annual : 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1922)

Burpee's annual : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1923)

Burpee's annual for 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1924)

Burpee's annual for 1926 : seeds that grow : Golden Anniversary, fifty years of service, 1876-1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Company, 1926)

Burpee's annual for 1927 : seeds that grow - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Company, 1927)

Burpee's annual for 1928 : seeds that grow - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1927)

Burpee's annual garden book, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1928)

Burpee's annual garden book, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1930)

Burpee's annual garden book, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1932)

Burpee's annual garden book, 1933 : vegetable seeds, flower seeds, bulbs, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1933)

Burpee's annual garden book, 1934 : the best seeds that grow - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Company, 1933)

Burpee's annual garden book for 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1930)

Burpee's annual. the plain truth about seeds that grow. 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1920)

Burpee's blue list : 1924 wholesale prices for market growers and florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1924)

Burpee's blue list 1925 : wholesale prices for market growers and florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1925)

Burpee's blue list : wholesale prices for market growers and florists, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1933)

Burpee's blue list : wholesale prices for market growers and florists, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1932)

Burpee's farm annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1891)

Burpee's farm annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1896)

Burpee's farm annual, 1888 : garden, farm, and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1888)

Burpee's farm annual, 1892 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1892)

Burpee's farm annual 1893 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1893)

Burpee's farm annual 1894 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1894)

Burpee's farm annual : garden, farm, and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1886)

Burpee's red list : wholesale prices for seedsmen and dealers, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1932)

Burpee's seeds that grow 1913 : wholesale prices for market gardeners, florists and farmers' clubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1913)

Burpee's seeds that grow 1914 : wholesale prices for market gardeners, florists and farmers' clubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1914)

Burpee's seeds that grow 1915 : wholesale prices for market gardeners, florists and farmers' clubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1915)

Burpee's seeds that grow 1916 : wholesale prices for market gardeners, florists and farmers' clubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1916)

Burpee's seeds that grow for 1898 : wholesale catalogue for market gardeners, florists, farmers' clubs and agents - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1898)

Burpee's seeds that grow for 1899 : wholesale catalogue for market gardeners, florists, farmer's clubs and agents - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. A. Burpee & Co, 1899)

Burpee's seeds that grow for 1900 : wholesale catalogue for market gardeners, florists, and farmers' clubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. A. Burpee & Co, 1900)

Burpee's seeds that grow for 1901 : wholesale catalogue for market gardeners, florists, and farmer's clubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. A. Burpee & Co, 1901)

Burpee's seeds that grow for 1902 : wholesale catalogue for market gardeners, florists, and farmers' clubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1902)

Burpee's seeds that grow for 1903 : wholesale catalogue for market gardeners, florists, and farmers' clubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1903)

Burpee's seeds that grow [for] 1912 : wholesale catalogue for market gardeners, florists, and farmers' clubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. A. Burpee & Co, 1912)

Burpee's seeds that grow for 1917 : wholesale catalog for seedsmen and dealers only who buy to sell again - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1917)

Burpee's wholesale prices for market gardeners and florists of the best seeds that can be grown for 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1905)

Burpee's wholesale prices for market gardeners and florists of the best seeds that can be grown for 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1910)

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1901)

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1904)

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1918)

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1919)

Butterflies and moths (British) - Furneaux, William S. (Longmans, Green, 1897)

The butterflies and moths of Kent - Chalmers-Hunt, J. M. (T. Buncle, 1961)

Butterflies of Britain & Europe - Tolman, Tom (HarperCollins, 1997)

The butterflies of North America. Second series - Edwards, William H. (William Henry), 1822 -1909 (Houghton, Mifflin, 1884)

The butterflies of North America - Edwards, William H. (William Henry), 1822 -1909 (Houghton, Mifflin, 1884)

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)

The butterflies of the eastern United States and Canada with special reference to New England - Scudder, Samuel Hubbard, 1837 -1911 (S.H. Scudder, 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)

C. G. Calwers Käferbuch; Naturgeschichte der Käfer Europas zum Handgebrauche für Sammler - Calwer, C. G. (Carl Gustav), 1821 -1874 (J. Hoffman, 1883)

Cadwell & Jones 1896 catalogue of seeds and agricultural implements - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1896)

The Cadwell & Jones annual catalog and price-list of seeds, farm supplies, agricultural implements - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1913)

Cadwell & Jones, successors to R. D. Hawley & Co., catalogue for 1895 of seeds and implements - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1895)

Cage birds and bird world (F. Carl, 1908)

Cage birds and bird world (F. Carl, 1912)

[Calendar posters] - Missouri Botanical Garden. (Missouri Botanical Garden, 1987)

California plants in their homes; a botanical reader for children [with supplement] - Cooper, Alice C. (B. R. Baumgardt & co, 1898)

California Seed Company's garden book for 1926 : roses, shrubs, trees, berry vines and perennial plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Seed Company, 1926)

California Seed Company's special catalog no. 3 : 1925 Nevraumont's good garden seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Seed Company, 1925)

Calwers Käferbuch; einfürhrung in die kenntnis der käfer Europas - Calwer, C. G. (Carl Gustav), 1821 -1874 (E. Schweizerbart, [etc.], 1916)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1872)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1874)

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.], 1879)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1887)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1888)

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

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1932)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1945)

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, 1948)

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, 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, 1963)

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, 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, 1978)

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, 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, 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, 1993)

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, 2002)