A hand-list of the genera & species of birds. (Nomenclator avium tum fossilium tum viventium) - Sharpe, Richard Bowdler, 1847 -1909 (Printed by order of the Trustees, 1909)

Handbook of birds of eastern North America - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton and Company, 1896)

Handbook of birds of eastern North America; with introductory chapters on the study of birds in nature - Fuertes, Louis Agassiz, 1874 -1927 (D. Appleton and Company, 1912)

Handbook of birds of eastern North America, with keys to the species and descriptions of their plumages, nests, and eggs ... - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton and Co, 1901)

Handbook of birds of eastern North America with keys to the species and descriptions of their plumages, nests and eggs, their distribution and migrations and a brief account of their haunts and habits with introductory chapters on the study of ornithology, how to identify birds and howto collect and preserve birds, their nests, and eggs - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton, 1895)

Handbook of birds of the western United States : including the Great Plains, Great Basin, Pacific Slope, and lower Rio Grande Valley - Bailey, Florence Merriam, 1863 -1948 (Houghton Mifflin, 1915)

Handbook of birds of the western United States : including the Great Plains, Great Basin, Pacific Slope, and lower Rio Grande Valley - Bailey, Florence Merriam, 1863 -1948 (Houghton Mifflin Company, 1921)

Handbook of birds of the western United States : including the great basin, Pacific slope, and lower Rio Grande Valley - Bailey, Florence Merriam, 1863 -1948 (Houghton Mifflin, 1920)

Handbook of birds of the western United States, including the great plains, great basin, Pacific slope, and lower Rio Grande valley - Bailey, Florence Merriam, 1863 -1948 (Houghton, Mifflin and company, 1904)

Handbook of birds of the western United States, including the Great Plains, Great Basin, Pacific Slope, and lower Rio Grande valley - Bailey, Florence Merriam, 1863 -1948 (Houghton Mifflin company, 1908)

Handbook of birds of the western United States, including the great plains, great basin, Pacific slope, and lower Rio Grande Valley - Bailey, Florence Merriam, 1863 -1948 (Houghton, Mifflin and company, 1902)

Handbook of the sparrows, finches, etc., of New England - Maynard, C. J. (Charles Johnson), 1845 -1929 (C. J. Maynard, 1896)

Handbuch der Oologie. Lief. 1-47 / v.1-4 - Meise, Wilhelm (Akademie-Verlag, 1960)

Handbuch der Oologie. Lief. 1-47 / v.1-4 - Meise, Wilhelm (Akademie-Verlag, 1983)

Handbuch der Pflanzenkrankheiten - Sorauer, Paul, 1839 -1916 (P. Parey, 1921)

Handbuch der zoologie - Carus, Julius Victor, 1823 -1903 (W. Engelmann, 1875)

Handbuch der zoologie - Carus, Julius Victor, 1823 -1903 (W. Engelmann, 1868)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1875)

The Hawkeye ornithologist and oologist (Webster & Mead, 1888)

The hawks and owls of the United States in their relation to agriculture ... - Fisher, A. K. (Albert Kenrick), 1856 -1948 (Govt. Print. Off, 1893)

The history of Bucks County, Pennsylvania : from the discovery of the Delaware to the present time - Davis, W. W. H. (William Watts Hart), 1820 -1910 (Democrat Book and Job Office Print, 1876)

History of Delaware County, Pennsylvania : from the discovery of the territory included within its limit to the present time, with a notice of the geology of the county, and catalogues of its minerals, plants, quadrupeds, and birds, written under the direction and appointment of the Delaware County Institute of Science - Delaware County Institute of Science. (Printed by Henry B. Ashmead, 1862)

History of Delaware County, Pennsylvania, from the discovery of the territory included within its limit to the present time, with a notice of the geology of the county, and catalogues of its minerals, plants, quadrupeds, and birds, written under the direction and appointment of the Delaware County Institute of Science - Delaware County Institute of Science. (Printed by H.B. Ashmead, 1862)

A history of North American birds - Baird, Spencer Fullerton, 1823 -1887 (Little, Brown, 1905)

A history of North American birds. Land birds - Baird, Spencer Fullerton, 1823 -1887 (Little, Brown, 1874)

A history of North American birds. Land birds - Baird, Spencer Fullerton, 1823 -1887 (Little, Brown)

A history of the birds of Colorado - Sclater, William Lutley, 1863 -1944 (Witherby & co, 1912)

A history of the birds of Europe : including all the species inhabiting the western palaearctic region - Sharpe, Richard Bowdler, 1847 -1909 (Published by the Author, 1871)

A history of the birds of Europe : including all the species inhabiting the Western Palaearctic Region - Dresser, H. E. (Henry Eeles), 1838 -1915 (Dresser)

History of the birds of Kansas - Goss, N. S. (Nathaniel S.) (G. W. Crane, 1891)

The history of Upshur County, West Virginia : from its earliest exploration and settlement to the present time - Maxwell, Hu, 1860 -1927 ([s.n.], 1907)

Homing with the birds; the history of a lifetime of personal experience with the birds - Stratton-Porter, Gene, 1863 -1924 (Doubleday, Page & Company, 1919)

The Hoosier naturalist ([A.C. Jones, R.B. Trouslot, editors and publishers], 1885)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1862)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1863)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1865)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1868)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1903)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1908)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1910)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1911)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1918)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1920)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1859)