Birds of New York - Eaton, Elon Howard, 1866 -1934 (University of the State of New York, 1914)

The birds of Norfolk : with remarks on their habits, migration, and local distribution - Southwell, Thomas, 1831 -1909 (J. Van Voorst, 1866)

The birds of Norfolk, with remarks on their habits, migration, and local distribution - Southwell, Thomas, 1831 -1909 (J. Van Voorst, 1870)

The birds of Norfolk, with remarks on their habits, migration, and local distribution - Southwell, Thomas, 1831 -1909 (J. Van Voorst, 1866)

The birds of Norfolk, with remarks on their habits, migration, and local distribution - Southwell, Thomas, 1831 -1909 (J. Van Voorst, 1890)

The birds of North America : the descriptions of species based chiefly on the collections in the Museum of the Smithsonian Institution - Baird, Spencer Fullerton, 1823 -1887 (J.B. Lippincott & Co, 1860)

The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean sea, and the Galapagos Archipelago - Ridgway, Robert, 1850 -1929 (Govt. Print. Off, 1919)

Birds of North Carolina - Pearson, T. Gilbert (Thomas Gilbert), 1873 -1943 (Edwards & Broughton printing co., state printers, 1919)

The birds of Ohio; a complete scientific and popular description of the 320 species of birds found in the state - Dawson, William Leon, 1873 -1928 (The Wheaton publishing co, 1903)

The birds of Ohio; a complete scientific and popular description of the 320 species of birds found in the state - Dawson, William Leon, 1873 -1928 (The Wheaton Publishing Co, 1903)

The birds of Ohio; a revised catalogue - Jones, Lynds, 1865 -1951 (Academy of Science, 1903)

The birds of Ohio; a complete scientific and popular description of the 320 species of birds found in the state - Dawson, William Leon, 1873 -1928 (Wheaton Pub. Co, 1903)

Birds of Ontario - McIlwraith, Thomas, 1824 -1903 ([s.n.], 1903)

The birds of Ontario; being a concise account of every species of bird known to have been found in Ontario with a description of their nests and eggs and instructions for collecting birds and preparing and preserving skins, also directions how to form a collection of eggs - McIlwraith, Thomas. (T. F. Unwin, 1894)

The birds of Ontario; being a concise account of every species of bird known to have been found in Ontario, with a description of their nests and eggs, and instructions for collecting birds and preparing and preserving skins, also directions how to form a collection of eggs - McIlwraith, Thomas. (T. Fisher Unwin, 1894)

The birds of Ontario being a concise account of every species of bird known to have been found in Ontario, with a description of their nests and eggs, and instructions for collecting birds and preparing and preserving skins ; also, directions how to form a collection of eggs - McIlwraith, Thomas, 1824 -1903 (W. Briggs, 1894)

The birds of Ontario : being a list of birds observed in the province of Ontario, with an account of their habits, distribution, nests, eggs, &c - McIlwraith, Thomas, 1824 -1903 (Hamilton Association, 1886)

The birds of Ontario, being a list of birds observed in the province of Ontario, with an account of their habits, distribution, nests, eggs &c - McIlwraith, Thomas, 1824 -1903 (A. Lawson & co., printers, 1886)

The birds of Ontario, being a list of birds observed in the province of Ontario, with an account of their habits, distribution, nests, eggs &c - McIlwraith, Thomas. (A. Lawson & co., printers, 1886)

The birds of Ontario being a list of birds observed in the Province of Ontario, with an account of their habits, distribution, nests, eggs, &c - McIlwraith, Thomas, 1824 -1903 (Hamilton Association, 1886)

The birds of Oxfordshire - Aplin, O. V. (Oliver Vernon), 1858 -1940 (Clarendon Press, 1889)

Birds of Pennsylvania. Provisional list, including natives, permanent residents, winter residents, spring and fall migrants, occasional visitants and "stragglers" or accidental visitants - Warren, Benjamin Harry, 1858 -1926

Birds of Porto Rico - Wetmore, Alexander, 1886 -1978 (U.S. Dept. of Agriculture, 1916)

The birds of Rhode Island - Howe, Reginald Heber, Jr. 1875 -1932 (1899)

The birds of Shoal Lake, Manitoba - Taverner, P. A. (Percy Algernon), 1875 -1947 (s.n, 1919)

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 South America - Swann, H. Kirke (Harry Kirke), 1871 -1926 (R. H. Porter [etc, 1912)

The birds of Sussex - Borrer, William, 1814 -1898 (R.H. Porter, 1891)

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

The birds of the British Isles and their eggs. Second series, Comprising families Anatidae to Tetraonidae - Coward, T. A. (Thomas Alfred), 1867 -1933 (F. Warne, 1920)

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 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)

Birds of the Harold Hall Australian Expeditions, 1962-1970 : a report on the collections made for the British Museum (Natural History) - Hall, B. P. (Beryl Patricia) (Trustees of the British Museum, 1974)

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 Kilbuck and Ahklun mountain region, Alaska - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, Fish and Wildlife Service, 1991)

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

The birds of the West Indies : including all species known to occur in the Bahama Islands, the Greater Antilles, the Caymans, and the Lesser Antilles, excepting the islands of Tobago and Trinidad - Cory, Charles B. (Charles Barney), 1857 -1921 (Estes & Lauriat, 1889)

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

The birds of Tierra del Fuego - Crawshay, Richard, 1862 -1958 (B. Quaritch, 1907)

Birds of Toronto, Ontario - Fleming, James H. (James Henry), 1872 -1940 (s.n, 1913)

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)