Grundzüge der wissenschaftlichen Botanik, nebst einer methodologischen Einleitung also Anleitung zum Studium der Pflanze - Schleiden, M. J. (Matthias Jacob), 1804 -1881 (W. Engelmann, 1861)

Guide leaflet - American Museum of Natural History (The Museum, 1923)

The Guide to nature - Agassiz Association. (Agassiz Association, 1908)

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

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)

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

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 (Robert Hardwicke, 1859)

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)

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

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)

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 zoology - Hoeven, Jan van der, 1801 -1868 (University Press, 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 Naturgeschichte aller drei Reiche, fur Lehrer and Lernende, fur Schule und Haus - Bromme, Traugott, 1802 -1866 (1850)

Handbuch der Naturgeschichte. Zum Gebrauch bei vorlesungen - Burmeister, Hermann, 1807 -1892 (Verlag von Theod. Chr. Friedr. Enslin, 1837)

Handbuch der palaeontologie - Schimper, Wilhelm-Philippe, 1808 -1880 (R. Oldenbourg, 1890)

Handbuch der systematischen botanik, mit besonderer berücksichtigung der arzneipflanzen. Bd. 1 - Luerssen, Christian, 1843 -1916 (H. Haessel, 1879)

Handbuch der vergleichenden und experimentellen entwicklungslehre der wirbeltiere - Hertwig, Oscar, 1849 -1922 (G. Fischer, 1906)

Handbuch der zoologie : Nach der zweiten holländischen ausgabe - Hoeven, Jan van der, 1801 -1868 (L. Voss, 1850)

Handleiding tot de beoefening der dierkunde - Schlegel, H. (Hermann), 1804 -1884 (Boekdrukkerij van de Gebroeders Nys, voor rekening van de Koninklijke Akademie voor Zee- en Landmagt, 1858)

Handwörterbuch der naturwissenschaften - Verworn, Max, 1863 -1921 (G. Fischer, 1912)

A handy-book to the collection and preparation of freshwater and marine Algae, diatoms, desmids, Fungi, lichens, mosses and other of the lower Crytogamia, with instructions for the formation of an herbarium - Nave, Johann, 1831 -1864 (R. Hardwicke, 1867)

A handy-book to the collection and preparation of freshwater and marine algae, diatoms, desmids, fungi, lichens, mosses and other of the lower cryptogamia : with instructions for the formation of an herbarium - Nave, Johann, 1831 -1864 (Robert Hardwicke, 1867)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1865)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1866)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1867)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1874)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1878)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1879)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1880)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1882)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1884)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1887)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1888)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1889)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1893)

Harriman Alaska series. vol. I-V, VIII-XIV - Smithsonian Institution (Smithsonian Institution, 1904)

Hedwigia (Verlag und Druck von C. Heinrich, 1858)

Hedwigia (Verlag und Druck von C. Heinrich, 1864)

Hedwigia (Verlag und Druck von C. Heinrich, 1865)

Hedwigia (Verlag und Druck von C. Heinrich, 1866)

Hedwigia (Verlag und Druck von C. Heinrich, 1867)

Hedwigia (Verlag und Druck von C. Heinrich, 1868)

Hedwigia (Verlag und Druck von C. Heinrich, 1869)

Hedwigia (Verlag und Druck von C. Heinrich, 1872)

Hedwigia (Verlag und Druck von C. Heinrich, 1873)

Hedwigia (Verlag und Druck von C. Heinrich, 1875)

Hedwigia (Verlag und Druck von C. Heinrich, 1877)

Hedwigia (Verlag und Druck von C. Heinrich, 1878)

Hedwigia (Verlag und Druck von C. Heinrich, 1879)

Hedwigia (Verlag und Druck von C. Heinrich, 1881)

Hedwigia (Verlag und Druck von C. Heinrich, 1882)

Hedwigia (Verlag und Druck von C. Heinrich, 1889)

Hedwigia (Verlag und Druck von C. Heinrich, 1890)

Hedwigia (Verlag und Druck von C. Heinrich, 1887)

Hedwigia (Verlag und Druck von C. Heinrich, 1892)

Hedwigia (Verlag und Druck von C. Heinrich, 1893)

Hedwigia (Verlag und Druck von C. Heinrich, 1894)

Hedwigia (Verlag und Druck von C. Heinrich, 1895)

Hedwigia (Verlag und Druck von C. Heinrich, 1896)

Hedwigia (Verlag und Druck von C. Heinrich, 1897)

Hedwigia (Verlag und Druck von C. Heinrich, 1898)

Hedwigia (Verlag und Druck von C. Heinrich, 1899)

Hedwigia (Verlag und Druck von C. Heinrich, 1900)

Hedwigia (Verlag und Druck von C. Heinrich, 1901)