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 - Sheldon, J. M. Arms (Jennie Maria Arms), 1852 -1938 (The Society, 1905)

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)

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, 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 (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, 1883)

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 (W. Wood, 1893)

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

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)

Handbook of zoology : with examples from Canadian species, recent and fossil Part I Invertebrata - Dawson, J. W., (John William), 1820 -1899 (Dawson Brothers, 1880)

Handbook of zoology : with examples from Canadian species, recent and fossil - Dawson, J. W., (John William), 1820 -1899 (Dawson, 1880)

Handbook of zoology with examples from Canadian species, recent and fossil - Dawson, J. W., (John William), 1820 -1899 (Dawson, 1886)

Handbook of zoology with examples from Canadian species, recent and fossil part I -invertebrata - Dawson, J. W., (John William), 1820 -1899 (Dawson, 1870)

Handbook to the natural history of Cambridgeshire - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (University press, 1904)

Handbuch der biochemischen Arbeitsmethoden - Abderhalden, Emil, 1877 -1950 (Urban & Schwarzenberg, 1910)

Handbuch der biochemischen arbeitsmethoden - Abderhalden, Emil, 1877 -1950 (Urban & Schwarzenberg, 1910)

Handbuch der embryologischen Technik - Royal College of Physicians of Edinburgh. (Bergmann, 1904)

Handbuch der entomologie - Schröder, Christoph Wilhelm Marcus, 1871 - (Gustav Fischer, 1913)

Handbuch der entomologie - Schröder, Christoph Wilhelm Marcus, 1871 - (Gustav Fischer, 1914)

Handbuch der Morphologie der wirbellosen Tiere - Lang, Arnold, 1855 -1914 (G. Fischer, 1913)