Bulletin - State Geological and Natural History Survey of Connecticut - State Geological; Natural History Survey of Connecticut. (State Geological and Natural History Survey of Connecticut, 1916)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1914)

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. Biological series - University of Montana (Missoula) (University of Montana, 1901)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1911)

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

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, 1906)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1911)

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

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

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

Bulletins - Minnesota Academy of Sciences, Minneapolis

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. (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 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. (1871)

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, 1864)

Bulletins de la Société royale de botanique de Belgique - Société royale de botanique de Belgique. (La Société, 1865)

Bulletins de la Société royale de botanique de Belgique - Société royale de botanique de Belgique. (La Société, 1866)

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)

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

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1892)

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

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1894)

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

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, 1903)

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

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)

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

Burning and non-burning strains of tobacco mosaic ; The ring symptom of virus diseases of plants ; Mosaic from tobacco one to fifty-two years old - Valleau, W. D. (William Donney), 1891 - (Kentucky Agricultural Experiment Station, University of Kentucky, 1935)

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) (1908)

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1914)

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

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1909)

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

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

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

The butterflies of Great Britain with their transformations delineated and described - Westwood, J. O. (John Obadiah), 1805 -1893 (G. Routledge, 1887)

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

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)

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

Cage birds and bird world (F. Carl, 1913)

Cage birds and bird world (F. Carl, 1917)

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

Calendrier de faune et de flore pour les environs d'Aix; ou, Premie`re apparition des principaux insectes et premie`re floraison des ve´ge´taux qui s'y trouvent - Boyer de Fonscolombe, Etienne Laurent Joseph Hippolyte, 1772 -1853 (Impr. de Mme Veuve Tavernier, 1845)

California art & nature (1902)

The California horticulturist and floral magazine - Bay District Horticultural Society (F.A. Miller & Co, 1870)

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.], 1890)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1893)

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.], 1918)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1920)

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, 1940)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1941)

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, 1951)

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, 1955)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1957)

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, 1963)

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, 1969)

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, 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, 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, 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)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2003)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2005)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2007)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2011)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2015)

The Canadian journal of industry, science and art - Glenny, George, 1793 -1874 (Canadian Institute, 1863)

The Canadian journal of science, literature and history (Canadian Institute, 1868-1878, 1873)

The Canadian journal of science, literature and history (Canadian Institute, 1868-1878, 1868)

The Canadian naturalist and geologist - Natural History Society of Montreal. (B. Dawson, 1858)

The Canadian naturalist and geologist - Natural History Society of Montreal. (B. Dawson, 1859)

The Canadian naturalist and geologist - Natural History Society of Montreal. (B. Dawson, 1861)

The Canadian naturalist and geologist - Natural History Society of Montreal. (B. Dawson, 1868)

The Canadian naturalist and quarterly journal of science : with proceedings of the Natural History Society of Montreal - Natural History Society of Montreal. (Dawson, 1869)

The Canadian naturalist and quarterly journal of science : with proceedings of the Natural History Society of Montreal - Natural History Society of Montreal. (Dawson, 1870)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1886)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1888)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1890)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1892)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1896)

Card file of the flora of the Metropolitan Parks - Massachusetts. Metropolitan Park Commission. (1894)

Carl von Linnés ungdomsskrifter - Linné, Carl von, 1707 -1778 (P.A. Norstedt & söners, 1888)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1909)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1915)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1916)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1920)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1921)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1940)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1958)