Grønlands fugle - Winge, H. (Herluf) (s.n.], 1898)

Die Grossschmetterlinge der Erde : eine systematische Bearbeitung der bis jetzt bekannten Grossschmetterlinge - Seitz, Adalbert, 1860 -1938 (Verlag des Seitzschen Werkes (Alfred Kernen), 1928)

Grundriss der Entwicklungsgeschichte des Menschen und der Säugethiere, für Studirende und Arzte. Bearb. unter Zugrundelegung der 2. Aufl. des Grundrisses der Entwicklungsgeschichte von A. Koelliker - Kölliker, Albert, 1817 -1905 (W. Engelmann, 1897)

Grundzüge der allgemeinen Phytopathologie - Klebahn, H. (Heinrich) (Borntraeger, 1912)

Grundzüge der vergleichenden Anatomie - Gegenbaur, C. (Carl), 1826 -1903 (Wilhelm Engelmann, 1859)

Grundzüge der Zoologie zum Gebrauche an Universitäten und höhern Lehranstalten : Leitfaden zur Einführung in das wissenschaftliche Studium der Zoologie - Claus, Carl, 1835 -1899 (N.G. Elwert'sche Universitäts- Buchhandlung, 1868)

Grundzüge der Zoologie. Zum Gebrauche an Universitäten und hoheren Lehranstalten sowie qum Selbststudium - Claus, Carl, 1835 -1899 (W.G Elevert'sche Verl, 1876)

Grundzüge der Zoologie. Zum gebrauche an universitäten und höheren lehranstalten sowie zum selbststudium - Claus, Carl, 1835 -1899 (N.G. Elwert, 1872)

Guatemala, 1936 : travel notes, expense records, photographs, reference materials, and memorabilia - Wetmore, Alexander, 1886 -1978 (1936)

Guide leaflet - American Museum of Natural History (The Museum, 1904)

The Guide to nature - Agassiz Association. (Agassiz Association, 1915)

A guide to the birds of New England and eastern New York : containing a key for each season and short descriptions of over 250 species, with particular reference to their appearance in the field - Fuertes, Louis Agassiz, 1874 -1927 (Houghton, Mifflin and Company, 1904)

Guide to the gallery of birds in the department of zoology, British Museum (Natural History) - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1921)

Guide to the gallery of birds in the Department of Zoology of the British Museum (Natural History) - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1905)

Guide to the garden of the Zoological society of Philadelphia, (Fairmount park.) - Brown, Arthur Erwin, 1850 -1910 (Allen, Lane & Scott, 1905)

The Gull - Audubon Association of the Pacific. (Golden Gate Audubon Society, 1939)

The Gull - Audubon Association of the Pacific. (Golden Gate Audubon Society, 1942)

The Gull - Audubon Association of the Pacific. (Golden Gate Audubon Society, 1944)

The Gull - Audubon Association of the Pacific. (Golden Gate Audubon Society, 1999)

Half-hours with insects - Packard, A. S. (Alpheus Spring), 1839 -1905 (Estes & Lauriat, 1873)

Half hours with insects - Packard, A. S. (Alpheus Spring), 1839 -1905 (Estes and Lauriat, 1881)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1874)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1885)

Hand-book of ready reference (1897)

A hand-list of British birds, with an account of the distribution of each species in the British Isles and abroad - Jourdain, F. C. R. (Francis Charles Robert), 1865 -1940 (Witherby, 1912)

Hand-list of genera and species of birds : distinguishing those contained in the British Museum - Gray, George Robert, 1808 -1872 (printed by order of the Trustees, 1870)

Hand-list of genera and species of birds : distinguishing those contained in the British Museum - Gray, George Robert, 1808 -1872 (printed by order of the Trustees, 1871)

Hand-list of genera and species of birds : distinguishing those contained in the British Museum - Gray, George Robert, 1808 -1872 (printed by order of the Trustees, 1902)

Hand-list of genera and species of birds : distinguishing those contained in the British Museum - Gray, George Robert, 1808 -1872 (printed by order of the Trustees, 1869)

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)

Handboek der dierkunde - Leuckart, Rudolf, 1823 -1898 (J.C.A. Sulpke, 1859)

Handbook of birds of eastern North America - Chapman, Frank M. (Frank Michler), 1864 -1945 (Appleton, 1907)

Handbook of birds of eastern North America - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton, 1904)

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, 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 ... - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton and company, 1903)

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 ... - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton and Company, 1902)

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 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, 1895)

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 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)