Botany of the Maya area; miscellaneous papers I-XXI - Carnegie Institution of Washington (Carnegie Institution of Washington, 1940)

The botany of the Roraima expedition of 1884 - Hooker, Joseph Dalton, 1817 -1911 (1887)

The Bradley bibliography; a guide to the literature of the woody plants of the world published before the beginning of the twentieth century - Sargent, Charles Sprague, 1841 -1927 (Riverside Press, 1911)

Brasil 1979, Amazonia #3 - Calderón, Cleofé E. (Cleofé Elsa), 1929 -2007 (1979)

Breviora - Harvard University. Museum of Comparative Zoology. (Museum of Comparative Zoology, Harvard University, 1957)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2006)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2009)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2012)

Bromeliads : and other fascinating tropical plants from the collection of Mulford B. Foster - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mulford B. Foster, 1949)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1925)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1926)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1927)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1929)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1931)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1938)

Brotéria. Série botanica (Revista Brotéria, 1910)

Brotéria. Série botanica (Revista Brotéria, 1914)

Brotéria. Série botanica (Revista Brotéria, 1921)

Brotéria : revista de sciencias naturaes do Collegio de S. Fiel - Collégio de S. Fiel (La Bécarre, 1906)

The Bryologist - Grout, A. J. (Abel Joel), 1867 -1947 (American Bryological and Lichenological Society, 1898)

Bulbs for fall planting : a catalog of the amaryllis, iris, lily, arum, orchid and other families : over 250 items of new and unusual as well as standard varieties of bulbs, with complete culture directions : our bulb prices are lower : fall 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1941)

Bulbs for fall planting : a catalog of the amaryllis, iris, lily, arum, orchid, billbergias and other families : fall 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1942)

Bulbs for pots and fall planting in the garden : a catalog of bulbs and plants of the amaryllis, iris, orchid, gesneria and other plant families, and manual of culture, African violets, fall 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1959)

Bulbs for pots and fall planting in the garden, fall 1950 : a catalog of bulbs of the amaryllis, iris, lily, orchid, and other plant families - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1950)

Bulbs for pots and fall planting in the garden, fall 1951 : a catalog of bulbs and plants of the amaryllis, iris, lily, orchid, and other plant families - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1951)

Bulbs for pots and fall planting in the garden, fall 1952 : a catalog of bulbs and plants of the amaryllis, iris, geranium, orchid, gesneria, and other plant families, and manual of culture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1952)

Bulbs for pots and fall planting in the garden, fall 1954 : a catalog of bulbs and plants of the amaryllis, iris, orchid, gesneria and other plant families, and manual of culture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1954)

Bulbs for pots and fall planting in the garden, fall 1955 : a catalog of bulbs and plants of the amaryllis, iris, orchid, gesneria and other plant families, and manual of culture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1955)

Bulbs for pots and fall planting in the garden, fall 1957 : a catalog of bulbs and plants of the amaryllis, iris, orchid, gesneria and other plant families, and manual of culture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1957)

Bulbs for pots and fall planting in the garden, fall 1958 : a catalog of bulbs and plants of the amaryllis, iris, orchid, gesneria and other plant families, and manual of culture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1958)

Bulbs for pots and spring planting in the garden : a catalog of the bulbs and plants of the amaryllis, iris, orchid, gesneria and other plant families and manual of their culture, African violets, spring 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1959)

Bulbs for pots and spring planting in the garden, spring 1947 : a catalog of bulbs of the amaryllis, iris, orchid and other plant families - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1947)

Bulbs for pots and spring planting in the garden, spring 1944 : a catalog of bulbs of the amaryllis, iris, lily, orchid, arum. oxalis and other plant families - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1944)

Bulbs for pots and spring planting in the garden, spring 1945 : a catalog of bulbs of the amaryllis, iris, lily, orchid, arum, oxalis and other plant families - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1945)

Bulbs for pots and spring planting in the garden, spring 1958 : a catalog of bulbs and plants of the amaryllis, iris, orchid, gesneria and other plant families and manual of their culture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1958)

Bulbs for pots and spring planting in the garden, spring 1955 : a catalog of bulbs and plants of the amaryllis, orchid, gesneria and other plant families and manual of their culture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1955)

Bulbs for pots and spring planting in the garden, spring 1954 : a catalog of bulbs and plants of the amaryllis, iris, orchid, gesneria and other plant families and manual of their culture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1954)

Bulbs for pots and spring planting in the garden, spring 1951 : a catalog of bulbs of the amaryllis, iris, orchid and other plant families - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1951)

Bulbs for pots and spring planting in the garden, spring 1952 : a catalog of bulbs of the amaryllis, iris, orchid, gesneria and other plant families - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1952)

Bulbs for pots and spring planting in the garden, spring 1953 : a catalog of bulbs and plants of the amaryllis, iris, orchid, gesneria and other plant families and manual of their culture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1953)

Bulbs for pots and spring planting in the garden, spring 1950 : a catalog of bulbs of the amaryllis, iris, orchid and other plant families - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1950)

Bulbs for spring planting : a catalog of the amaryllis, iris, lily, arum, orchid, billbergias and other families : spring 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1942)

Bulbs for spring planting : a catalog of the amaryllis, iris, lily, arum, orchid, billbergias and other families, spring 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1943)

Bulletin - Philippines. Bureau of Forestry. (Bureau of printing, 1919)

Bulletin - Porto Rico Agricultural Experiment Station. (G.P.O, 1909)

Bulletin - Philippines. Bureau of Forestry. (Bureau of printing, 1920)

Bulletin - United States National Museum (G.P.O, 1957)

Bulletin - United States National Museum (G.P.O, 1947)

Bulletin - United States National Museum (G.P.O, 1958)

Bulletin - United States National Museum (G.P.O, 1965)

Bulletin - Chicago Natural History Museum. (The Museum, 1947)

Bulletin - Chicago Natural History Museum. (The Museum, 1952)

Bulletin - Chicago Natural History Museum. (The Museum, 1953)

Bulletin de géographie botanique - Académie internationale de botanique. (Au siège de la Société, 1913)

Bulletin de l'Institut botanique de Buitenzorg - Kebun Raya Indonesia. (1898)

Bulletin de l'Institut botanique de Buitenzorg - Kebun Raya Indonesia. (1901)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1857)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1886)

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

Bulletin de la Société royale de botanique de Belgique - Société royale de botanique de Belgique. (La Société, 1889)

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1988)

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1991)

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1992)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1954)

Bulletin du Muséum national d'histoire naturelle. Section A, Zoologie, biologie et écologie animales - Muséum national d'histoire naturelle (France) (Muséum national d'histoire naturelle, 1992)

Bulletin - Field Museum of Natural History. (The Museum, 1969)

Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1924)

Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1983)

Bulletin of Carnegie Museum of Natural History - Carnegie Museum of Natural History (Carnegie Museum of Natural History, 1981)

Bulletin of Carnegie Museum of Natural History - Carnegie Museum of Natural History (Carnegie Museum of Natural History, 1992)

Bulletin of entomological research - Commonwealth Institute of Entomology. (Commonwealth Agricultural Bureaux, 1915)

Bulletin of foreign plant introductions - United States. Office of Foreign Seed; Plant Introduction. (s.n, 1910)

Bulletin of foreign plant introductions - United States. Office of Foreign Seed; Plant Introduction. (s.n, 1911)

Bulletin of foreign plant introductions - United States. Office of Foreign Seed; Plant Introduction. (s.n, 1912)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1906)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1907)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1908)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1910)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1911)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1915)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1922)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1923)

Bulletin of miscellaneous information - Trinidad. Botanical Dept. (Botanical Dept, 1904)

Bulletin of miscellaneous information. Additional Series - Royal Botanic Gardens, Kew. (Royal Botanic Gardens], 1899)

Bulletin of miscellaneous information. Additional Series - Royal Botanic Gardens, Kew. (Royal Botanic Gardens], 1922)

Bulletin of the Botanical Department, Jamaica - Fawcett, William, 1851 -1926 (Botanical Dept, 1893)

Bulletin of the Botanical Department, Jamaica - Fawcett, William, 1851 -1926 (Botanical Dept, 1896)

Bulletin of the Botanical Department, Jamaica - Fawcett, William, 1851 -1926 (Botanical Dept, 1898)

Bulletin of the Botanical Department, Jamaica - Fawcett, William, 1851 -1926 (Botanical Dept, 1901)

Bulletin of the Botanical Department, Jamaica - Fawcett, William, 1851 -1926 (Botanical Dept, 1902)

Bulletin of the British Museum (Natural History) Botany - British Museum (Natural History) (The Museum, 1965)

Bulletin of the British Museum (Natural History) Historical Series - British Museum (Natural History) (BM(NH), 1987)

Bulletin of the British Museum (Natural History) Zoology - British Museum (Natural History) (BM(NH), 1980)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1981)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1996)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1997)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2002)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2003)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2011)

Bulletin of the Brooklyn Entomological Society - Brooklyn Entomological Society (The Society, 1929)

Bulletin of the Brooklyn Entomological Society - Brooklyn Entomological Society (The Society, 1932)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1917)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1915)

Bulletin of the Maryland Herpetological Society - Maryland Herpetological Society. (Maryland Herpetological Society, Dept. of Herpetology, Natural History Society of Maryland, 1976)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1910)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1942)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1954)

Bulletin of the Natural History Museum. Zoology series - Natural History Museum (London, England) (Intercept, 1998)

Bulletin of the Natural History Museum. Zoology series - Natural History Museum (London, England) (Intercept, 2001)

Bulletin of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1899)

Bulletin of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1905)

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

Bulletin of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1912)

Bulletin of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1921)

Bulletin of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1900)

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

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1875)

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, 1900)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1901)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1902)

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, 1907)