British entomology : being illustrations and descriptions of the genera of insects found in Great Britain and Ireland: containing coloured figures from nature of the most rare and beautiful species, and in many instances of the plants upon which they are found - Curtis, John, 1791 -1862 (Printed for the author, 1823)

British entomology : being illustrations and descriptions of the genera of insects found in Great Britain and Ireland : containing coloured figures from nature of the most rare and beautiful species, and in many instances of the plants upon which they are found - Curtis, John, 1791 -1862 (Printed for the author, 1823)

The British flora : comprising the phaenogamous or flowering plants, and the ferns - Hooker, William Jackson, Sir, 1785 -1865 (1860)

The British flora medica : or, History of the medicinal plants of Great Britain - Barton, Benjamin H. (Benjamin Herbert) (Bohn, 1845)

The British flora medica, or, History of the medicinal plants of Great Britain - Barton, Benjamin H. (Benjamin Herbert) (E. Cox, 1838)

British flowering plants - Boulger, George Simonds, 1853 -1922 (B. Quaritch, 1914)

British flowering plants - Kirby, W. F. (William Forsell), 1844 -1912 (Sidney Appleton, 1906)

British fungus-flora. A classified text-book of mycology - Massee, George, 1850 -1917 (G. Bell & Sons, 1895)

British fungus-flora. A classified text-book of mycology - Massee, George, 1850 -1917 (G. Bell & sons, 1892)

British fungus-flora. A classified text-book of mycology - Massee, George, 1850 -1917 (G. Bell & sons, 1895)

British game birds and wildfowl - Fawcett, Benjamin, 1808 -1893 (Groombridge and Sons, 1855)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1988)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1998)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2002)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2003)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2004)

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, 2007)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2008)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2013)

British moths and their transformations - Westwood, J. O. (John Obadiah), 1805 -1893 (W. Smith, 1845)

British moths and their transformations - Westwood, J. O. (John Obadiah), 1805 -1893 (William Smith, 113, Fleet Street, 1843)

The British nature book; a complete handbook and guide to British nature study, embracing the mammals, birds, reptiles, fish, insects, plants, etc., in the United Kingdom - Sedgwick, Sidney Newman. (T.C. & E.C. Jack, Ltd, 1922)

British phaenogamous botany, or, Figures and descriptions of the genera of British flowering plants - Baxter, William, 1787 -1871 (Published by the author, sold by J.H. Parker [etc.], 1834)

British plant-galls; a classified text book of cecidology - Swanton, Ernest W. (Methuen & co. ltd, 1912)

British plants; their biology and ecology - Bevis, James Frederick. (Methuen, 1920)

British plants : their biology and ecology - Bevis, James Frederick. (A. Rivers, 1911)

The British rust fungi (Uredinales), their biology and classification - Grove, W. B. (William Bywater), 1848 -1938 (Univ. Press, 1913)

The British rust fungi (Uredinales) their biology and classification - Grove, W. B. (William Bywater), 1848 -1938 (University Press, 1913)

British trees, including the finer shrubs for garden and woodland - Johns, C. A. (Charles Alexander), 1811 -1874 (G. Routledge, 1911)

British wild flowers - Hutchinson, J. (John) 1884 -1972 (David and Charles, 1900)

British wild flowers : familiarly described in the four seasons for the use of beginners and amateurs - Moore, Thomas, 1821 -1887 (Reeve, 1867)

Broad-leaved evergreens, trees, shrubs and rock garden plants, lilies, etc. : spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1933)

Brockhaus' Konversations-Lexikon (F.A. Brockhaus, 1893)

Brockhaus' Konversations-Lexikon (F.A. Brockhaus, 1895)

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

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1932)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1933)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1942)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1943)

Brooks' quality dahlias for 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Seymour E. Brooks, 1934)

Brotéria. Série botanica (Revista Brotéria, 1914)

Bryologia silesiaca : Laubmoos-Flora von nord- und mittel-Deutschland mit besonderer Berücksichtigung Schlesiens und mit Hinzumahme der Floren von Jütland, Holland, der Rheinpfalz, von Baden, Franken, Böhmen, Mähren und der Umgegend von München - Milde, Julius, 1824 -1871 (A. Felix, 1869)

The Bryologist - Grout, A. J. (Abel Joel), 1867 -1947 (American Bryological and Lichenological Society, 1922)

Das buch von der biene - Witzgall, Johann, 1848 - (Eugen Ulmer, 1898)

Budd's flora of the Canadian Prairie Provinces (Research Branch, Agriculture Canada, 1987)

Bulk's Nurseries, 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bulk's Nurseries, 1928)

Bull Mountains coal field study : final report - Montana. Department of Fish; Game (s.n.], 1978)

Bull Mountains coal field study : progress report, 1973 : research conducted by Montana Department of Fish and Game, Environment and Information Division and Consolidation Coal Company - Consolidation Coal Company. (s.n.], 1973)

Bull Mountains coal field study : progress report, 1974 - Consolidation Coal Company. (s.n.], 1974)

Bull Mountains coal field study : progress report, 1975 : research conducted by Montana Department of Fish and Game, Environment and Information Division, and Consolidation Coal Company - Consolidation Coal Company. (s.n.], 1975)

Bulletin. no. 1 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Nursery, 1919)

Bulletin - United States. Office of Experiment Stations. (Govt. Print. Off, 1913)

Bulletin - Pennsylvania. Department of Forestry. (The Department, 1901)

Bulletin - Pennsylvania. Department of Forest; Waters. (The Department, 1902)

Bulletin - Pennsylvania. Department of Forest; Waters. (The Department, 1923)

Bulletin - Société d'Étude des Sciences Naturelles de Béziers. (1878)

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1905)

Bulletin - Virginia Native Plant Society. (The Society, 2001)

Bulletin - Société des amis des sciences naturelles de Rouen. (1884)

Bulletin - National Institutes of Health (U.S.) (U.S. Govt. Print. Off, 1909)

Bulletin - National Institutes of Health (U.S.) (U.S. Govt. Print. Off, 1910)

Bulletin - National Institutes of Health (U.S.) (U.S. Govt. Print. Off, 1916)

Bulletin - Société des amis des sciences naturelles de Rouen. (1908)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 1992)

Bulletin - National Museum of Canada. (National Museum of Canada, 1929)

Bulletin - National Museum of Canada. (National Museum of Canada, 1935)

Bulletin - National Museum of Canada. (National Museum of Canada, 1938)

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

Bulletin - United States National Museum (G.P.O, 1964)

Bulletin. No. 3, Spring 1927 [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alfred E. Robinson, 1927)

Bulletin de la Société d'études scientifiques de Paris - Société d'études scientifiques de Paris. (Société d'études scientifiques, 1878)

Bulletin - Société des amis des sciences naturelles de Rouen. (1877)

Bulletin - National Museum of Canada. (National Museum of Canada, 1945)

Bulletin - Société des amis des sciences naturelles de Rouen. (1894)

Bulletin - Société des amis des sciences naturelles de Rouen. (1897)

Bulletin - National Museum of Canada. (National Museum of Canada, 1950)

Bulletin - National Museum of Canada. (National Museum of Canada, 1951)

Bulletin - National Museum of Canada. (National Museum of Canada, 1952)

Bulletin - National Museum of Canada. (National Museum of Canada, 1953)

Bulletin - National Museum of Canada. (National Museum of Canada, 1957)

Bulletin - National Museum of Canada. (National Museum of Canada, 1958)

Bulletin - National Museum of Canada. (National Museum of Canada, 1961)

Bulletin - National Museum of Canada. (National Museum of Canada, 1962)

Bulletin - National Museum of Canada. (National Museum of Canada, 1963)

Bulletin - British Pteridological Society. (the Society, 2003)

Bulletin d'écologie - Société Française D'Écologie (Masson, 1973)

Bulletin d'écologie - Société Française D'Écologie (Masson, 1978)

Bulletin de géographie botanique - Académie internationale de botanique. (Au siège de la Société, 1912)

Bulletin de géographie botanique - Académie internationale de botanique. (Au siège de la Société, 1916)

Bulletin de géographie botanique - Académie internationale de botanique. (Au siège de la Société, 1917)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1903)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1904)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1905)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1906)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1907)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1908)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1913)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1893)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1900)