Grønland-Expedition der Gesellschaft für Erdkunde zu Berlin, 1891-1893 - VanHöffen, Ernst, 1858 -1919 (W.H. Kühl, 1897)

Grundriss der vergleichenden Anatomie der Wirbelthiere, für Studirende bearb - Wiedersheim, Robert, 1848 -1923 (Fischer, 1893)

Grundzüge der Naturgeschichte der Haustiere - Duerst, J. Ulrich (Richard Carl Schmidt & Co, 1905)

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

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The Guide to nature - Agassiz Association. (Agassiz Association, 1910)

The Guide to nature - Agassiz Association. (Agassiz Association, 1914)

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

The Guide to nature - Agassiz Association. (Agassiz Association, 1916)

The Guide to nature - Agassiz Association. (Agassiz Association, 1917)

The Guide to nature - Agassiz Association. (Agassiz Association, 1920)

The Guide to nature - Agassiz Association. (Agassiz Association, 1921)

Guide to the birds of Europe and North Africa. With a biographical memoir by William Eagle Clarke - Wardlaw Ramsay, R. G. (Robert George), 1852 -1921 (Gurney and Jackson, 1923)

Guide to the birds of the Caucasus - Satunin, Konstantin Alekseevich (1907)

Guide to the Calcutta Zoological Gardens - Anderson, John, 1833 -1900 (Printed by order of the Honorary Committee of Management, 1883)

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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, 1910)

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)

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

The Gulf of Alaska : physical environment and biological resources - United States. Minerals Management Service. Alaska OCS Region. (U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Office of Oceanography and Marine Assessment, Ocean Assessments Division, Alaska Office, 1987)

The Gull - Audubon Association of the Pacific. (Golden Gate Audubon Society, 1931)

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The Gun at home and abroad - Ogilvie-Grant, W. R. (William Robert), 1863 -1924 (London & Counties Press Association, 1912)

Half mile down - Beebe, William, 1877 -1962 (Harcourt, Brace and Company, 1934)

Hamburgisches Magazin, oder, Gesammlete Schriften, aus der Naturforschung und den angenehmen Wissenschaften überhaupt (G.C. Grund, 1750)

Hand-book to the birds of Great Britain - Sharpe, Richard Bowdler, 1847 -1909 (Allen, 1896)

Hand-book to the birds of Great Britain - Sharpe, Richard Bowdler, 1847 -1909 (Allen, 1895)

A hand-book to the birds of Great Britain - Sharpe, Richard Bowdler, 1847 -1909 (E. Lloyd, Limited, 1896)

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, 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, 1869)

A hand-list of the birds of Japan - Ogawa, Minori. (1908)

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, 1899)

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, 1900)

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A handbook of British birds, showing the distribution of the resident and migratory species in the British islands, with an index to the records of the rarer visitants - Harting, James Edmund, 1841 -1928 (J.C. Nimmo, 1901)

A handbook of European birds for the use of field naturalists and collectors - Backhouse, James, 1861 -1945 (Gurney and Jackson, 1890)

Handbook of field and general ornithology; a manual of the structure and classification of birds - Coues, Elliott, 1842 -1899 (Macmillan, 1890)

Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets - Comstock, Anna Botsford, 1854 -1930 (Comstock Publishing Company, 1911)

Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets, with much additional material and many new illustrations - Comstock, Anna Botsford, 1854 -1930 (Comstock Publishing Company, 1916)

Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets, with much additional material and many new illustrations - Comstock, Anna Botsford, 1854 -1930 (Comstock, 1923)

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A handbook to the birds of Egypt - Shelley, G. E. (George Ernest), 1840 -1910 (John Van Voorst, 1872)

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