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

Grundzüge der Zoologie - Claus, Carl, 1835 -1899 (N. G. Elwert'sche, 1876)

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)

Grundzüge der Zoologie. Zum wissenschaftlichen Gebrauche - Claus, Carl, 1835 -1899 (Elwert, 1880)

Gu sheng wu xue tong lun - Young, Chung-Chien, 1897 -1979 (1926)

Guide to California insects - Woodworth, C. W. (Charles William), 1865 -1940 (The Law press, 1913)

Guide to the contents of the Australian Museum - Australian Museum ([F. Cunninghame], 1890)

A guide to the exhibition galleries ... Departments of Geology and Palaeontology, Mineralogy, and Botany - British Museum (Natural History) (1883)

A guide to the exhibition galleries of the Department of geology and palaeontology, in the British museum (Natural history) ... - Woodward, Henry, 1832 -1921 (Printed by order of the Trustees, 1890)

A guide to the exhibition rooms of the departments of natural history and antiquities - British Museum (printed by order of the Trustees, 1861)

A guide to the exhibition rooms of the departments of natural history and antiquities - British Museum (printed by order of the Trustees, 1867)

A guide to the exhibition rooms of the Departments of Natural History and Antiquities - British Museum (Natural History) (Printed by order of the Trustees, 1877)

A guide to the exhibition rooms of the departments of natural history and antiquities - British Museum (printed by order of the Trustees, 1874)

A guide to the exhibition rooms of the Departments of Natural History and Antiquities - British Museum (Natural History) (Printed by order of the Trustees, 1878)

A guide to the exhibition rooms of the Departments of Natural History and Antiquities - British Museum (Natural History) (Printed by order of the Trustees, 1879)

Guide to the exhibits - Illinois State Museum. (The Museum, 1957)

Guide to the insects of Connecticut - Wheeler, William Morton, 1865 -1937 (Printed for the State Geological and Natural History Survey, 1911)

Guide to the insects of Connecticut - Wheeler, William Morton, 1865 -1937 (Printed for The State Geological and Natural History Survey, 1911)

Guide to the invertebrates of the synoptic collection in the Museum of the Boston society of natural history - Boston Society of Natural History. Museum. (The Society, 1905)

Guide to the invertebrates of the synoptic collection in the Museum of the Boston society of natural history - Sheldon, J. M. Arms (Jennie Maria Arms), 1852 -1938 (The Society, 1905)

A guide to the natural history of the Isle of Wight : a series of contributions by specialists relating to the various branches of natural history and kindred subjects - Morey, Frank, 1858 -1925 (The County Press, 1909)

Guide to the study of animal parasites - Christenson, Reed O. 1904 - (McGraw-Hill, 1930)

Guide to the study of insects - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and company, 1889)

Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalist's book agency; [etc.,etc.], 1869)

Guide to the study of insects and a treatise on those injurious and beneficial to crops : for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt, 1878)

Guide to the study of insects : and a treatise on those injurious and beneficial to crops for the colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Henry Holt, 1889)

Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalist's agency, 1868)

Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalist's Agency; [etc., etc.], 1874)

Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1883)

Guide to the study of insects and a treatise on those injurious and beneficial to crops for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Holt, 1880)

Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1889)

Guide to the systematic distribution of Mollusca in the British museum. Part I - Gray, John Edward 1800 -1875 (Printed by order of the trustees, 1857)

Guide to the zoological collections in the Invertebrate gallery of the Indian Musem - Indian Museum. (Printed by Order of the Indian Museum, 1894)

Guide to the zoological collections of the Raffles Museum, Singapore - Hanitsch, R. (Printed by the Straits Times Press, 1908)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1962)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1968)

The habits, food and economic value of the American toad - Kirkland, Archie Howard, 1873 - (Hatch Experiment Station of the Massachusetts Agricultural College, 1897)

Hand-book of physiology - Kirkes, William Senhouse 1823 -1864 (William Wood & Company, 1890)

Hand-book of physiology - Kirkes, William Senhouse 1823 -1864 (W. Wood, 1893)

Hand-book of physiology - Kirkes, William Senhouse 1823 -1864 (1896)

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)

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, 1901)

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

Handbook of medical entomology - Johannsen, O. A. (Oskar Augustus), 1870 -1961 (The Comstock Publishing Company, 1915)

Handbook of medical entomology - Johannsen, O. A. (Oskar Augustus), 1870 -1961 (Comstock Pub. Co, 1915)

Handbook of natural history: being an explanation of Boucard's series of pictorial diagrams & natural specimens, illustrative of human physiology, zoology, botany, geology, and mineralogy - Boucard, Adolphe, 1839 -1905 (A. Boucard, 1874)

Handbook of protozoology - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (C.C. Thomas, 1931)

Handbook of zoology - Hoeven, Jan van der, 1801 -1868 (University Press, 1856)

Handbook of zoology - Clark, William, 1788 -1855 (Longman, Brown, Green, Longmans, and Roberts, 1856)