Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1916)

Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1919)

Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1920)

Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1921)

Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1922)

Bulletin de la Société botanique de Genève - Société botanique de Genève. (Société botanique de Genève, 1909)

Bulletin de la Société botanique de Genève - Société botanique de Genève. (Société botanique de Genève, 1913)

Bulletin de la Société botanique de Genève - Société botanique de Genève. (Société botanique de Genève, 1918)

Bulletin de la Société d'histoire naturelle de Toulouse - Société d'histoire naturelle de Toulouse. (Bonnal et Gibrac, 1879)

Bulletin de la Société géologique de France - Société géologique de France. (La Société, 1838)

Bulletin de la Société royale de botanique de Belgique - Société royale de botanique de Belgique. (La Société, 1881)

Bulletin de la Société royale de botanique de Belgique - Société royale de botanique de Belgique. (La Société, 1886)

Bulletin de la Société royale de botanique de Belgique - Société royale de botanique de Belgique. (La Société, 1898)

Bulletin des sciences naturelles et de géologie (1825)

Bulletin des sciences naturelles et de géologie (1829)

Bulletin des sciences naturelles et de géologie (1830)

Bulletin des travaux de la Société botanique de Genève - Société botanique de Genève. (B. Soullier, 1891)

Bulletin du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Impr. nationale, 1907)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1907)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1908)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1910)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1934)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1952)

Bulletin international de l'Académie des sciences de Cracovie, Classe des sciences mathématiques et naturelles. Anzeiger der Akademie der Wissenschaften in Krakau. Reihe B, Biologische Wissenschaften. Srie B, Sciences naturelles - Akademja Umiejętności w Krakowie. Wydział Matematyczno-Przyrodniczy (Impr. de l'Universit, 1912)

Bulletin international de l'Académie des sciences de Cracovie, Classe des sciences mathématiques et naturelles. Anzeiger der Akademie der Wissenschaften in Krakau. Reihe B, Biologische Wissenschaften. Srie B, Sciences naturelles - Akademja Umiejętności w Krakowie. Wydział Matematyczno-Przyrodniczy (Impr. de l'Universit, 1914)

Bulletin international de l'Académie des sciences de Cracovie, Classe des sciences mathématiques et naturelles. Anzeiger der Akademie der Wissenschaften in Krakau. Reihe B, Biologische Wissenschaften. Srie B, Sciences naturelles - Akademja Umiejętności w Krakowie. Wydział Matematyczno-Przyrodniczy (Impr. de l'Universit, 1915)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1896)

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 the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1970)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1974)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1999)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1880)

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, 1897)

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

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 National Museum - United States National Museum (G.P.O, 1879)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1922)

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

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, 1866)

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

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

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

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

The Cambridge British flora - Moss, Charles Edward, 1872 -1930 (University Press, 1914)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1929)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1931)

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, 1933)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1934)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1935)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1937)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1938)

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, 1944)

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, 1952)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1953)

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, 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, 1961)

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, 1964)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1966)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1967)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1968)

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, 1970)

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, 1973)

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, 1976)

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, 1984)

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, 1989)

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)