Bulletin of popular information - Arnold Arboretum, Harvard University - Arnold Arboretum. (Arnold Arboretum, 1918)

Bulletin of popular information - Arnold Arboretum, Harvard University - Arnold Arboretum. (Arnold Arboretum, 1924)

Bulletin of popular information - Arnold Arboretum, Harvard University - Arnold Arboretum. (Arnold Arboretum, 1938)

Bulletin of popular information - Arnold Arboretum, Harvard University - Arnold Arboretum. (Arnold Arboretum, 1939)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2012)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1966)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1908)

Bulletin of the British Museum (Natural History) Botany - British Museum (Natural History) (The Museum, 1991)

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

Bulletin of the Brooklyn Entomological Society - Brooklyn Entomological Society (The Society, 1919)

Bulletin of the Brooklyn Entomological Society - Brooklyn Entomological Society (The Society, 1936)

Bulletin of the Buffalo Society of Natural Sciences - Buffalo Society of Natural Sciences. (Buffalo Society of Natural Sciences, 1881)

Bulletin of the Bussey Institution - Bussey Institution. (The University, 1874)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1878)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1879)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1886)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1885)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1910)

Bulletin of the Natural History Society of Maryland - Natural History Society of Maryland (The Society, 1941)

Bulletin of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1898)

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, 1900)

Bulletin of the Philosophical Society of Washington - Smithsonian Institution (Published by the co-operation of the Smithsonian Institution, 1881)

Bulletin of the scientific laboratories of Denison University - Denison Scientific Association. ([The University], 1892)

Bulletin of the scientific laboratories of Denison University - Denison Scientific Association. ([The University], 1919)

Bulletin of the scientific laboratories of Denison University - Denison Scientific Association. ([The University], 1885)

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, 1886)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1892)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1893)

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

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, 1916)

Bulletin of the United States Geological and Geographical Survey of the Territories - Geological; Geographical Survey of the Territories (U.S.) (Government Printing Office, 1876)

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

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 Wisconsin Natural History Society - Wisconsin Natural History Society. (The Society, 1907)

Bulletin of the Wisconsin Natural History Society - Wisconsin Natural History Society. (The Society, 1915)

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

Bulletin - Ontario. Dept. of Agriculture. (The Dept, 1905)

Bulletin scientifique de la France et de la Belgique - Laboratoire d'évolution des êtres organisés (Paris, France) (Octave Doin, 1901)

Bulletin scientifique de la France et de la Belgique - Laboratoire d'évolution des êtres organisés (Paris, France) (Octave Doin, 1904)

Bulletin scientifique de la France et de la Belgique - Laboratoire d'évolution des êtres organisés (Paris, France) (Octave Doin, 1907)

Bulletin - Société d'histoire naturelle d'Autun (France) (La Socit, 1888)

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 trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1908)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1911)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1918)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1923)

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

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, 1906)

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, 1887)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1888)

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. (1852)

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. (1882)

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. (1885)

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. (1887)

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. (1889)

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. (1890)

Bulletins de la Société royale de botanique de Belgique - Société royale de botanique de Belgique. (La Société, 1864)

Bulletins des travaux de la Société Murithienne ... - Favre, Émile, 1843 -1905 (Impr. Dulex-Ansermoz, 1867)

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

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1893)

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, 1901)

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1905)

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1918)

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

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)

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) (1918)

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

Butterflies and moths (British) - Furneaux, William S. (Longmans, Green, and Co, 1894)

The butterflies and moths of Kent - Chalmers-Hunt, J. M. (T. Buncle, 1968)

Butterflies from China - Leech, John Henry, 1862 -1900 (R. H. Porter, 1892)

The butterflies of Europe described and figured. Rhopalocera Europae descripta et delineata - Lang, Henry C. (L. Reeve, 1884)

Butterflies of the Riviera. A short account of the Rhopalocera of the Maritime Alps - Bromilow, Frank (Printed by P. Conso, 1892)

Butterfly-hunting in many lands : notes of a field naturalist - Poulton, Edward Bagnall, Sir, 1856 -1943 (Longmans, Green, and co, 1912)

By meadow, grove and stream : an introduction to nature study - Brown, Henry Hilton. (Religious Tract Society, 1907)

C. Plinii Secvndi Historiae mvndi libri XXXVII. Vetustissimorum codicum collatione maiore quàm antehac studio, fide, & religione à vitiis quibus multiplici olim impressione contaminati fuer?t, vindicati, atq; in quatuor tomos dispertiti, quor? hic primvs octo libros complectitur - Pliny, the Elder, 23 or 24 -79 (apud hæredes Iacobi Iuntae, 1560)

Calcutta journal of natural history, and miscellany of the arts and sciences in India - McClelland, John 1805 -1883 (Bishop's College Press, 1841)

Calcutta journal of natural history, and miscellany of the arts and sciences in India - McClelland, John 1805 -1883 (Bishop's College Press, 1846)

The calendar of nature, or, The seasons of England - Cradock, E. Grove, Mrs. (Dickinson, Bros, 1849)