The birds of South Africa : a descriptive catalogue of all the known species occurring south of the 28th parallel of south latitude - Layard, Edgar Leopold, 1824 -1900 (Juta, 1867)

The birds of Springfield and vicinity - Morris, Robert Oliver, 1846 -1925 (H. R. Johnson, 1901)

Birds of the Boston Public Garden, a study in migration - Wright, Horace Winslow (Houghton Mifflin co, 1909)

Birds of the Boston Public Garden : a study in migration - Wright, Horace Winslow (Houghton Mifflin Co, 1909)

Birds of the British Empire - Greene, W. T. (William Thomas) (Imperial Press, 1898)

The birds of the British Isles and their eggs First series Comprising families Corvidae to Sulidae - Coward, T. A. (Thomas Alfred), 1867 -1933 (F. Warne, 1919)

Birds of the British Isles - Duncan, John, of Newcastle upon Tyne. (W. Scott, 1898)

The birds of the Cambridge region of Massachusetts - Brewster, William, 1851 -1919 (The Club, 1906)

The birds of the Chicago area - Woodruff, Frank Morley (Jennings and Graham], 1907)

The birds of the Chicago area - Woodruff, Frank Morley (Printed by Jennings and Graham], 1907)

Birds of the Chukchi Peninsula and Wrangel Island = (Ptitsy Chukotskogo poluostrova i ostrova Vrangelya) - Portenko, L. A. (Leonid Aleksandrovich), 1896 -1972 (Published for the Smithsonian Institution and the National Science Foundation, Washington, D.C., by Amerind Pub. Co, 1989)

Birds of the Colorado valley ... scientific and popular information concerning North American ornithology - Coues, Elliott, 1842 -1899 (Govt. Print. Off, 1878)

Birds of the Colorado valley ... scientific and popular information concerning North American ornithology - Coues, Elliott, 1842 -1899 (Gov't print. off, 1878)

The birds of the Connecticut valley in Massachusetts - Colburn, William W. (Clark W. Bryan, printer, 1891)

Birds of the Humber District - Cordeaux, John. (Van Voorst, 1872)

The birds of the Japanese Empire - Seebohm, Henry, 1832 -1895 (R. H. Porter, 1890)

Birds of the Kansas City region - Harris, Harry, 1878 - (Academy of Sciences of St. Louis], 1919)

Birds of the Kansas City region - Harris, Harry, 1878 - (1919)

Birds of the Kelley-Roosevelts expedition to French Indo-China - Bangs, Outram, 1862 -1932 (1931)

The birds of the Lake St. Martin region, Manitoba - Royal Ontario Museum of Zoology. (Royal Ontario Museum of Zoology], 1937)

Birds of the Northwest: a hand-book of the ornithology of the region drained by the Missouri River and its tributaries - Coues, Elliott, 1842 -1899 (Govt. Print. Off, 1874)

Birds of the Pacific coast, including a brief account of the distribution and habitat of one hundred and eighteen birds that are more or less common to the Pacific coast states and British Columbia, many of which are found eastward to the Rocky mountains and beyond - Eliot, Willard Ayres, 1871 - (G. P. Putnam's sons, 1923)

Birds of the Papago Saguaro National Monument and the neighboring region, Arizona - United States. National Park Service. (Govt. Print. Off, 1920)

Birds of the plains - Dewar, Douglas, 1875 -1957 (J. Lane, 1909)

The birds of the Rio Madeira - Hellmayr, Carl Eduard, 1878 -1944 (Novitates Zoologicae, 1910)

Birds of the Rockies - Keyser, Leander S. (Leander Sylvester), 1856 -1937 (A. C. McClurg and co, 1902)

Birds of the vicinity of the University of Indiana - McAtee, W. L. (Waldo Lee) 1883 -1962 (1905)

Birds of the West; an account of the lives and the labors of our feathered friends - Holmes, Charles Edgar (Hammond & Stephens co, 1907)

The birds of the west of Scotland : including the outer Hebrides, with occasional records of the occurrence of the rarer species throughout Scotland generally - Gray, Robert, 1825 -1887 (T. Murray & Son, 1871)

Birds of the White-Fuller Expedition to Kenya, East Africa - Oberholser, Harry C. (Harry Church), 1870 -1963 (Cleveland Museum of Natural History, 1945)

Birds of the world; a popular account - Ridgway, Robert, 1850 -1929 (Holt, 1909)

The birds of Tunisia; being a history of the birds found in the regency of Tunis - Whitaker, Joseph Isaac Spadafora, 1850 - (R.H. Porter, 1905)