Biology of New World Microtus - American Society of Mammalogists. (American Society of Mammalogists, 1985)

Biosphere Reserves, Compilation 5, October 1990: programme on man and the biosphere (MAB) (1990)

The bird book, illustrating in natural colors more than seven hundred North American birds, also several hundred photographs of their nests and eggs - Reed, Chester A. (Chester Albert), 1876 -1912 (C. K. Reed, 1914)

The bird book : illustrating in natural colors more than seven hundred North American birds; also several hundred photographs of their nests and eggs - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page & company, 1915)

Bird guide - Reed, Chester A. (Chester Albert), 1876 -1912 (Musson, 1906)

Bird guide : water birds, game birds and birds of prey east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (C. K. Reed, 1910)

Bird guide : water birds, game birds and birds of prey east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Musson Book Co, 1910)

Bird lice from the Tinamidae - Clay, Theresa (1943)

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (1901)

Bird-life; a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton and company, 1900)

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton and company, 1897)

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton, 1912)

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton, 1919)

Bird-life : a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (Appleton, 1900)

Bird-life; a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton & co, 1899)

Bird-life; a guide to the study of our common birds - Seton, Ernest Thompson, 1860 -1946 (D. Appleton and company, 1898)

Bird-life in a southern county; being eight years's gleanings among the birds of Devonshire - Dixon, Charles, 1858 -1926 (W. Scott, 1899)

Bird life in wild Wales - Walpole-Bond, J. A. (T. Fisher Unwin, 1904)

Bird life in wild Wales - Walpole-Bond, J. A. (T. F. Unwin, 1903)

The bird life of Texas - Fuertes, Louis Agassiz, 1874 -1927 (University of Texas Press, 1974)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1901)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1901)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1902)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1905)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1899)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1906)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1915)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1914)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1916)

Bird lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (Macmillan Co, 1916)

Bird-lore - National Association of Audubon Societies for the Protection of Wild Birds; Animals. (National Association of Audubon Societies, 1917)

Bird migration in the Mississippi Valley - Widmann, Otto (The American Field, 1883)

Bird monitoring in the Mojave Desert on lands managed by the BLM, Ridgecrest Field Office - Weigand, James F. (U.S. Department of the Interior, Bureau of Land Management, Ridgecrest Field Office, 2003)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1915)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1922)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1966)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1968)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1970)

Bird Report / Ornithological Society of Turkey - Royal Society for the Protection of Birds (1974)

Bird status and distribution on the Fort Pierre National Grassland, 2016 - Mares, Ruben, (Forest Service, Department of Agriculture, 2016)

Bird studies; an account of the land birds of eastern North America - Scott, William Earl Dodge, 1852 -1910 (G. P. Putnam's Sons, 1898)

Birdcraft : a field book of two hundred song, game, and water birds - Fuertes, Louis Agassiz, 1874 -1927 (Macmillan Co, 1897)

Birds - Heller, Edmund, 1875 -1939 (The Academy, 1904)

Birds and mammals of the Stikine River region of northern British Columbia and southeastern Alaska - Swarth, Harry S. (Harry Schelwald), 1878 -1935 (University of California Press, 1922)

Birds and nature (A.W. Mumford, Publisher, 1902)

Birds and nature (A.W. Mumford, Publisher, 1906)

Birds and nature in natural colors : being a scientific and popular treatise on four hundred birds of the United States and Canada (A.W. Mumford, Publisher, 1913)

Birds - Baird, Spencer Fullerton, 1823 -1887 (1858)

Birds. Collected excerpts from v. 10 of Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (1900)

Birds from the Yucatan peninsula - Traylor, Melvin A. (Melvin Alvah), 1915 -2008 (1941)

Birds in Kansas - Thompson, Max C. (University of Kansas, Museum of Natural History, 1989)

Birds in Wales - Welsh Ornithological Society. (Welsh Ornithological Society, 2013)

Birds; a miscellaneous collection of 37 pamphlets about birds - Biological Society of Washington (1910-1913, 1914)

Birds' nesting in India. A calendar of the breeding seasons, and a popular guide to the habits and haunts of birds. Illustrated - Marshall, G. F. L. (George Frederick Leycester), 1843 -1934 (Calcutta Central Press, 1877)

Birds' nesting in India: a calendar of the breeding seasons, and a popular guide to the habits and haunts of birds - Marshall, G. F. L. (George Frederick Leycester), 1843 -1934 (Calcutta Central Press, 1877)

The birds of Africa, comprising all the species which occur in the Ethiopian region - Sclater, William Lutley, 1863 -1944 (Published for the author by R.H. Porter (18 Princes Street, Cavendish Square, W.), 1896)

Birds of America - Pearson, T. Gilbert (Thomas Gilbert), 1873 -1943 (The University Society, 1923)

The birds of America : from drawings made in the United States and their territories - Audubon, John James, 1785 -1851 (J.B. Chevalier, 1840)

The birds of America : from drawings made in the United States and their territories - Audubon, John James, 1785 -1851 (J.B. Chevalier, 1844)

The birds of America, from drawings made in the United States and their territories - Audubon, John James, 1785 -1851 (G.R. Lockwood, 1871)

Birds of Arkansas - Howell, Arthur H. (Arthur Holmes), 1872 -1940 (U.S. Dept. of Agriculture, Biological Survey, 1911)

The birds of Australia - Gould, John 1804 -1881 (Printed by R. and J. E. Taylor; pub. by the author, 1848)

The Birds of Australia - Grönvold, Henrik, 1858 -1940 (Witherby & Co, 1910)

The birds of Australia - Broinowski, Gracius J. (Gracius Joseph), 1837 -1913 (C. Stuart & co, 1891)

The Birds of Australia - Grönvold, Henrik, 1858 -1940 (Witherby & Co, 1925)

The birds of Ayrshire and Wigtownshire - Gray, Robert, 1825 -1887 (T. Murray, 1869)

The birds of Berwickshire; with remarks on their local distribution migration, and habits, and also on the folk-lore, proverbs, popular rhymes and sayings connected with them - Muirhead, George (David Douglas, 1889)

The birds of Berwickshire; with remarks on their local distribution migration, and habits, and also on the folk-lore, proverbs, popular rhymes and sayings connected with them - Muirhead, George. (D. Douglas, 1889)

The birds of Berwickshire; with remarks on their local distribution migration, and habits, and also on the folk-lore, proverbs, popular rhymes and sayings connected with them - Muirhead, George (David Douglas, 1895)

The birds of British Guiana : based on the collection of Frederick Vavasour McConnell - Chubb, Charles, 1851 -1924 (Bernard Quaritch, 1916)

Birds of Buzzard's Roost, one for each week, and other essays - Woollen, William Watson, 1838 -1921 (Scott-Miller Company, 1907)