Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1895)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1896)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1898)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1899)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1900)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1903)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1906)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1908)

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, 1913)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1917)

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

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1924)

Bulletin of the United States Geological and Geographical Survey of the Territories - Geological; Geographical Survey of the Territories (U.S.) (Government Printing Office, 1881)

Bulletin of the United States Geological Survey - Geological Survey (U.S.) (G.P.O, 1898)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1881)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1889)

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

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

Bulletin - Smithsonian Institution. (G.P.O, 1946)

Bulletin - Smithsonian Institution. (G.P.O, 1959)

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

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

Bulletin - United States. Bureau of Entomology. (G.P.O, 1913)

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, 1904)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1907)

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

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1908)

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 Plant Industry. (G.P.O, 1912)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1901)

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

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. (1839)

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. (1842)

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. (1858)

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. (1883)

Bullettino bibliografico della botanica italiana - Traverso, G. B. (Giovanni Battista), 1878 -1955 (Societ botanica italiana, 1904)

Bullettino del Laboratorio ed Orto botanico - Tassi, Flaminio, 1851 - (L. Lazzeri, 1905)

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

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1922)

Burbank's 1918 offering of twentieth century : fruits, flowers and various economic plants - Burbank, Luther, 1849 -1926 (Burbank's Experiment Farms, 1918)

Burbank's 1920 new creations and special new selections in seeds - Burbank, Luther, 1849 -1926 (Burbank's Experiment Farms, 1920)

The Burbank seed book - Burbank, Luther, 1849 -1926 (Luther Burbank Co, 1892)

The Burbank seed book - Burbank, Luther, 1849 -1926 (Luther Burbank Co, 1916)

The Burbank seed book - Burbank, Luther, 1849 -1926 (Luther Burbank Co, 1920)

The Burbank seed book - Burbank, Luther, 1849 -1926 (Luther Burbank Co, 1921)

The Burbank seed book : 1914 - Burbank, Luther, 1849 -1926 (Luther Burbank Company, 1914)

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

Burpee's 1902 farm annual : vegetable, flower and farm seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1902)

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, 1887 : garden, farm, and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1887)

Burpee's farm annual, 1887 : garden, farm, and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1889)

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 : best seeds that grow - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1904)

Burpee's farm annual for 1900 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1900)

Burpee's farm annual for 1901 : quarter century edition - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1901)

Burpee's farm annual : garden, farm, and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1885)

Burpee's farm annual : the best seeds that grow including rare novelties - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1895)

Burpee's farm annual : vegetable, flower and farm seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1903)

Burpee's farm annual written at Fordhook Farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1897)

Burpee's farm annual : written at Fordhook Farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1898)

Burpee's novelties for 1890 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1890)

Burpee's seeds that grow for 1899 : wholesale catalogue for seedsmen and dealers only who buy to sell again - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. A. Burpee & Co, 1899)

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 seedsmen and dealers only who buy to sell again - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1902)

Burpee's seeds that grow for 1903 : wholesale catalogue for seedsmen and dealers only who buy to sell again - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1903)

Burpee's seeds that grow for 1904 : wholesale catalogue for seedsmen and dealers only who buy to sell again - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1904)

Burpee's seeds that grow for 1905 : wholesale catalogue for seedsmen and dealers only who buy to sell again - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1905)

Burton's 1919 seed book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton Seed Co, 1919)

Burton's 1921 seed book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton Seed Co, 1921)

Burton's 1922 seed book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton Seed Co, 1922)

Burtons 1924 seed book : garden and field seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton Seed Co, 1924)

Burtons 1925 seed book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton Seed Co, 1925)

Burtons 1926 seed book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton Seed Co, 1926)

Butterflies and moths of North America, with full instructions for collecting, breeding, preparing, classifying, packing for shipment, etc., a complete synonymical catalogue of Macrolepidoptera, with a full bibliography, to which is added a glossary of terms and an alphabetical and descriptive list of localities - Strecker, Herman, 1836 -1901 (Press of B.F. Owen, 1878)

Butterflies of Hongkong - Kershaw, John Crampton Wilkinson, 1871 -1951 (Kelly & Walsh, 1907)

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 North America; second series - 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)

Butterflies. Vol. I-II - Bingham, C. T. (Charles Thomas), 1848 -1908 (Taylor and Francis, 1905)

The butterfly book : a popular guide to a knowledge of the butterflies of North America - Holland, W. J. (William Jacob), 1848 -1932 (Doubleday, Page, 1898)

The butterfly book : a popular guide to a knowledge of the butterflies of North America - Holland, W. J. (William Jacob), 1848 -1932 (Doubleday & McClure, 1899)

The butterfly book : a popular guide to a knowledge of the butterflies of North America - Holland, W. J. (William Jacob), 1848 -1932 (Doubleday, 1902)