Guide to the recognition of the principal orders of cryptogams and the commoner and more easily distinguished New England genera. With a full glossary - Sargent, Frederick Leroy, 1863 -1928 (C. W. Sever, 1886)

Guide to the student in botany - Burgess, Edward Sandford, 1855 -1928 (Dunlap & Clarke, printers, 1887)

A guide to the study of fresh-water biology, with special reference to aquatic insects and other invertebrate animals and phyto-plankton - Needham, James G. (James George), 1868 -1957 (New York, Comstock Pub. Co, 1941)

Guideline for wetland establishment on reclaimed oil sands leases - Alberta. Alberta Environment. (Alberta Environment, 2008)

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

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1999)

Gulielmi Hudsoni, Regiae Societatis Socii et Pharmacopaei Londinensis, Flora anglica : exhibens plantas per regnum Britanniæ sponte crescentes, distributas secundum systema sexuale : cum differentiis specierum, synonymis auctorum, nominibus incolarum, solo locorum, tempore florendi, officinalibus pharmacopæorum - Hudson, William, 1730? -1793 (Printed for R. Faulder [and 9 others], 1798)

Gulielmi Hudsoni, Regiae Societatis Socii et Pharmacopaei Londinensis, Flora anglica : exhibens plantas per regnum angliae sponte crescentes, distributas secundum systema sexuale : cum differentiis specierum, synonymis autorum, nominibus incolarum, solo locorum, tempore florendi, officinalibus pharmacopaeorum - Hudson, William, 1730? -1793 (Impensis auctoris, 1762)

Haandbog i den danske flora - Lange, Joh., 1818 -1898 (C.A. Reitzels forlag, 1856)

Haandbog i den danske flora - Lange, Joh., 1818 -1898 (C.A. Reitzels forlag, 1864)

Haeckel : his life and work - McCabe, Joseph, 1867 -1955 (Watts, 1909)

Haeckel, his life and work - McCabe, Joseph, 1867 -1955 (Watts, 1909)

Half-hours with the microscope - Lankester, Edwin, 1814 -1874 (Hardwicke & Bogue, 1876)

Half-hours with the microscope : a popular guide to the use of the microscope as a means of amusement and instruction - Lankester, Edwin, 1814 -1874 (Hardwicke & Bogue, 1878)

Half-hours with the microscope; a popular guide to the use of the microscope as a means of amusement and instruction - Lankester, Edwin, 1814 -1874 (W.H. Allen, 1892)

Half-hours with the microscope; being a popular guide to the use of the miscroscope [sic] as a means of amusement and instruction - Lankester, Edwin, 1814 -1874 (R. Hardwicke, 1860)

Half-hours with the microscope : being a popular guide to the use of the microscope as a means of amusement and instruction - Lankester, Edwin, 1814 -1874 (Putnam's Sons, 1874)

Half-hours with the microscope; being a popular guide to the use of the microscope as a means of amusement and instruction - Lankester, Edwin, 1814 -1874 (R. Hardwicke, 1863)

Half-hours with the microscope : a popular guide to the use of the microscope as a means of amusement and instruction - Lankester, Edwin, 1814 -1874 (W.H. Allen, 1892)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1854)

Hamburgisches Magazin, oder, Gesammlete Schriften, aus der Naturforschung und den angenehmen Wissenschaften überhaupt (G.C. Grund, 1752)

Hamburgisches Magazin, oder, Gesammlete Schriften, aus der Naturforschung und den angenehmen Wissenschaften überhaupt (G.C. Grund, 1756)

Hand-book of Indian flora; being a guide to all the flowering plants hitherto described as indigenous to the continent of India - Drury, Herber, 1819 -1872 (Trabancore Sircar Press, 1864)

Hand-book of physiology - Halliburton, W. D. (William Dobinson), 1860 -1931 (G.N. Morang, 1901)

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

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

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

Handbook and catalog of pot grown rock plants for 1950 and 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1950)

A handbook for the use of teachers to accompany Bergen's Foundation of botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn & Company, 1901)

A handbook of cryptogamic botany - Bennett, Alfred W. (Alfred William), 1833 -1902 (Longmans, Green, and Co, 1889)

A handbook of cryptogamic botany / by Alfred W. Bennett and George Murray - Bennett, Alfred W. (Alfred William), 1833 -1902 (Longmans, Green, and Co, 1889)

A handbook of cryptogamic botany - Bennett, Alfred W. (Alfred William), 1833 -1902 (Longmans, Green, 1889)

Handbook of frogs and toads ... of the United States and Canada - Wright, Anna Allen, 1882 -1964 (Comstock Pub. Co, 1933)

A handbook of horse-shoeing, with introductory chapters on the anatomy and physiology of the horse's foot - Dollar, Jno. A. W. (John A. W.) (W.R. Jenkins, 1898)

Handbook of paleontology for beginners and amateurs - Goldring, Winifred, 1888 -1971 (The University of the State of New York, 1929)

Handbook of photography - Dudley, Beverly. (Whittlesey House, 1939)

Handbook of physiology - Halliburton, W. D. (William Dobinson), 1860 -1931 (Blakiston's Son, 1914)

Handbook of physiology - Halliburton, W. D. (William Dobinson), 1860 -1931 (P. Blakiston's Sons, 1911)

Handbook of physiology - Kirkes, William Senhouse 1823 -1864 (Blakiston, 1905)

Handbook of plants - Henderson, Peter, 1822 -1890 (P. Henderson, 1881)

Handbook of practical botany for the botanical laboratory and private student - Strasburger, Eduard, 1844 -1912 (Swan Sonnenschein, 1900)

A handbook of systematic botany - Warming, Eugenius, 1841 -1924 (Macmillan & Co, 1895)

A handbook of systematic botany - Warming, Eugenius, 1841 -1924 (Swan, 1904)

Handbook of the British flora : a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles : for the use of beginners and amateurs - Hooker, Joseph Dalton, 1817 -1911 (L. Reeves, 1887)

Handbook of the British flora : a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles - Bentham, George, 1800 -1884 (Reeve, 1858)

Handbook of the British flora: a description of the flowering plants and ferns indigenous to, or naturalised in, the British Isles - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve & co, 1892)

Handbook of the British flora, a description of the flowering plants and ferns indigenous to or naturalised in the British Isles. For use of beginners and amateurs - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve & co, 1900)

Handbook of the British flora; a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles - Bentham, George, 1800 -1884 (L. Reeve, 1865)

Handbook of the British flora; a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles - Bentham, George, 1800 -1884 (L. Reeve, 1858)

Handbook of the British flora: a description of the flowering plants and ferns indigenous to, or naturalised in the British Isles. For the use of beginners and amateurs - Bentham, George, 1800 -1884 (L. Reeve, 1908)

Handbook of the British flora: a description of the flowering plants and ferns indigenous to, or naturalised in, the British Isles. For the use of beginners and amateurs - Bentham, George, 1800 -1884 (L. Reeve & Co., ltd, 1918)

Handbook of the New Zealand flora : a systematic description of the native plants of New Zealand and the Chatham, Kermadec's, Lord Auckland's, and Macquarrie's islands - Hooker, Joseph Dalton, 1817 -1911 (Reeve & Co, 1867)

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)

A handbook to the marine aquarium : containing practical instructions for constructing, stocking, and maintaining a tank, and for collecting plants and animals - Gosse, Philip Henry, 1810 -1888 (John VanVoorst, 1856)

Handbuch der allgemeinen Botanik - Müller, Nicolaus Jacob Carl, 1843? -1901 (C. Winter's UniversitMatsbuchhandlung, 1880)

Handbuch der Botanik - Schenk, A. (August), 1815 -1891 (E. Trewendt, 1879)

Handbuch der botanischen terminologie und systemkunde - Bischoff, Gottlieb Wilhelm, 1797 -1854 (1830)

Handbuch der Experimental-Physiologie der Pflanzen : Untersuchungen über die allgemeinen Lebensbedingungen der Pflanzen und die Functionen ihrer Organe - Sachs, Julius, 1832 -1897 (W. Engelmann, 1865)

Handbuch der Experimental-Physiologie der Pflanzen : Untersuchungen uber die allgemeinen Lebensbedingungen der Pflanzen und die Functionen ihrer Organe - Sachs, Julius, 1832 -1897 (Wilhelm Engelmann, 1865)

Handbuch der Forstwissenschaft. In Verbindung mit A. Bühler [et al.] Hrsg. von Tuisko Lorey - Lorey, Tuisko von, 1845 -1901 (H. Laupp, 1888)

Handbuch der Naturbeschreibung zum Schul- und Privatunterrichte - Tetzner, Wilhelm. (Im Verlage der Hahnschen Hofbuchhandlung, 1826)

Handbuch der Naturgeschichte aller drei Reiche, fur Lehrer and Lernende, fur Schule und Haus - Bromme, Traugott, 1802 -1866 (1850)

Handbuch der Naturgeschichte der skelettlosen ungegliederten Thiere - Schweigger, August Friedrich, 1783 -1821 (Im Verlag der Dyk'schen Buchhandlung, 1820)