Handbook of birds of eastern North America : with keys to the species, and descriptions of their plumages, nests and eggs, their distribution and migrations ... - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton, 1898)

Handbook of birds of eastern North America, with keys to the species, and descriptions of their plumages, nests, and eggs, their distribution and migrations ... - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton and Co, 1895)

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 Company, 1902)

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 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 Company, 1921)

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 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 flower pollination : based upon Hermann Müller's work ʻThe fertilisation of flowers by insectsʼ - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work 'The fertilisation of flowers by insects' - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1906)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Naturgeschichte. Zum Gebrauch bei vorlesungen - Burmeister, Hermann, 1807 -1892 (Verlag von Theod. Chr. Friedr. Enslin, 1837)

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 Oologie Lief. 1-47 / v.1-4 - Meise, Wilhelm (Akademie-Verlag, 1988)

Handbuch der Oologie Lief. 1-47 / v.1-4 - Meise, Wilhelm (Akademie-Verlag, 1992)

Handbuch der vergleichenden Physiologie - Winterstein, Hans, 1879 - (Fischer, 1911)

Handbuch der vergleichenden und experimentellen entwicklungslehre der wirbeltiere - Hertwig, Oscar, 1849 -1922 (G. Fischer, 1906)

Handbuch der Zoologie - Wiegmann, Arend Friedrich August, 1802 -1841 (im Verlage bei C.G. Lüdertz, 1832)

Handbuch der Zoologie mit besonderer Berücksichtigung derjenigen Thiere, welch in Bezug auf Forst und Landwirthschaft, sowie hinsichtlich der Jagd vorzüglich wichtig sind ... Zweiter Theil Wirbellos Thiere ... - Döbner, Eduard Philipp, 1810 -1890 (Krebs, 1862)

Handbuch der zoologie : Nach der zweiten holländischen ausgabe - Hoeven, Jan van der, 1801 -1868 (L. Voss, 1850)

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

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

Handwörterbuch der naturwissenschaften - Verworn, Max, 1863 -1921 (G. Fischer, 1912)

Handwörterbuch der Zoologie - Dalla Torre, K. W. von (Karl Wilhelm), 1850 -1928 (F. Enke, 1887)

Histoire naturelle des oiseaux-mouches, ou, Colibris constituant la famille des trochilidés - Mulsant, Martial Étienne, 1797 -1880 (Au Bureau de la Société Linnéenne, 1874)

Histoire naturelle des oiseaux-mouches, ou, Colibris constituant la famille des trochilidés - Mulsant, Martial Étienne, 1797 -1880 (Au Bureau de la Société Linnéenne, 1877)

Histoire physique, politique et naturelle de l'ile de Cuba - Sagra, Ramón de la, 1798 -1871 (A. Bertrand, 1839)

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

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1917)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1919)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1918)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1922)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1920)

The human side of birds - Dixon, Royal, 1885 -1962 (Frederick A. Stokes company, 1917)

The Hummer (J.R. Bonwell, 1899)

The Humming bird - Boucard, Adolphe, 1839 -1905 (A. Boucard, 1892)

The Humming bird - Boucard, Adolphe, 1839 -1905 (A. Boucard, 1894)

The Humming bird - Boucard, Adolphe, 1839 -1905 (A. Boucard, 1895)

The humming birds - Ridgway, Robert, 1850 -1929 (1891)

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

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1871)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1874)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1875)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1876)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1877)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1878)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1879)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1882)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1885)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1887)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1889)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1898)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1900)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1901)