Dr. H.G. Bronn's Klassen und Ordnungen des Thier-Reichs, wissenschaftlich dargestellt in Wort und Bild - Bronn, H. G. (Heinrich Georg), 1800 -1862 (C. F. Winter, 1894)

Dr. H.G. Bronn's Klassen und Ordnungen des Thier-Reichs, wissenschaftlich dargestellt in Wort und Bild - Bronn, H. G. (Heinrich Georg), 1800 -1862 (C. F. Winter, 1912)

Dr. H.G. Bronn's Klassen und Ordnungen des Thier-Reichs, wissenschaftlich dargestellt in Wort und Bild - Bronn, H. G. (Heinrich Georg), 1800 -1862 (C. F. Winter, 1939)

Dr. Johannes Leunis Synopsis der thierkunde. Ein handbuch für höhere lehranstalten und für alle, welche sich wissenschaftlich mit der naturgeschichte der thiere beschäftigen wollen - Leunis, Johannes, 1802 -1873 (Hahnsche buchhandlung, 1886)

Dr. Johannes Leunis Synopsis der thierkunde. Ein handbuch für höhere lehranstalten und für alle, welche sich wissenschaftlich mit der naturgeschichte der thiere beschäftigen wollen - Leunis, Johannes, 1802 -1873 (Hahnsche buchhandlung, 1883)

Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz - Rabenhorst, Ludwig, 1806 -1881 (E. Kummer, 1884)

Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz - Rabenhorst, Ludwig, 1806 -1881 (E. Kummer, 1887)

Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz - Rabenhorst, Ludwig, 1806 -1881 (E. Kummer, 1896)

Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz - Rabenhorst, Ludwig, 1806 -1881 (E. Kummer, 1889)

Dutch N. W. New Guinea. A contribution to the phytogeography and flora of the Arfak mountains, & c - Gibbs, Lilian S. (Lilian Suzette), 1870 -1925 (Taylor and Francis, 1917)

The ecology and economics of Oneida Lake fish - Adams, Charles C. (Charles Christopher), 1873 -1955 (Roosevelt Wild Life Forest Experiment Station, 1928)

Edinburgh encyclopaedia (Blackwood, 1830)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1834)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1863)

Effects on fishes of changes within the Kananaskis River system - Nelson, Joseph S. (Joseph Schieser), 1937 - (1962)

Einführung in die Kenntnis der Insekten - Kolbe, H. J. (Hermann Julius), 1855 -1939 (Dümmler, 1889)

Einleitung in die Entomologie : oder Elemente der Naturgeschichte der Insecten - Kirby, William, 1759 -1850 (Cottaischen Buchhandlung, 1827)

Einleitung in die Entomologie : oder Elemente der Naturgeschichte der Insecten - Kirby, William, 1759 -1850 (Cottaischen Buchhandlung, 1833)

Einleitung in die Konchyliologie; oder grundzüge der naturgeschichte der Weichthiere - Johnston, George, 1797 -1855 (J.B. Müller's Verlagshandlung, 1853)

Einleitung in die Paläophytologie vom botanischen Standpunkt aus - Solms-Laubach, Hermann, Graf zu, 1842 -1915 (Arthur Felix, 1887)

Elémens de physiologie végétale et de botanique - Royal College of Physicians of Edinburgh. (chez Magimel, 1815)

Elementa philosophiae botanicae - Link, Heinrich Friedrich, 1767 -1851 (Haude et Spener, 1837)

Elementarcurs der zootomie in fünfzehn vorlesungen - Hatschek, Berthold, 1854 - (G. Fischer, 1896)

Elementary botany - Atkinson, George Francis, 1854 -1918 (Holt, 1908)

Elementary botany - Atkinson, George Francis, 1854 -1918 (H. Holt and company, 1898)

Elementary botany - Atkinson, George Francis, 1854 -1918 (H. Holt, 1898)

Elementary botany - Atkinson, George Francis, 1854 -1918 (H. Holt, 1899)

Elementary entomology - Jackson, C. F. (Cicero Floyd), 1882 - (Ginn and company, 1912)

Elementary entomology - Jackson, C. F. (Cicero Floyd), 1882 - (Ginn and Company, 1912)

Elementary text-book of zoology - Claus, Carl, 1835 -1899 (W. Swan Sonnenschein, 1885)

Elementary text-book of zoology - Claus, Carl, 1835 -1899 (W. S. Sonnenschein, 1884)

Elementary text-book of zoology, general part and special part: protozoa to insecta - Claus, Carl, 1835 -1899 (Swan Sonnenschein, 1892)

Elementary text-book of zoology - Claus, Carl, 1835 -1899 (Macmillan, 1884)

Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote - Claus, Carl, 1835 -1899 (Swan Sonnenschein & co, 1892)

Eléments d'anatomie comparée - Royal College of Physicians of Edinburgh. (J.-B. Baillière, 1893)

The elements of botany for beginners and for schools - Gray, Asa, 1810 -1888 (American Book Co, 1887)

The elements of botany for beginners and for schools - Gray, Asa, 1810 -1888 (American book company, 1901)

The elements of botany for beginners and for schools - Gray, Asa, 1810 -1888 (American Book Company, 1887)

Elements of comparative anatomy - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Macmillan, 1878)

Elements of Comparative Anatomy - Bell, F. J. (Francis Jeffrey), 1855 -1924 (1878)

Elements of comparative anatomy - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Macmillan and Co, 1878)

The elements of insect anatomy; an outline for the use of students in the entomological laboratories of Cornell University and Leland Stanford junior university - Kellogg, Vernon L. (Vernon Lyman), 1867 -1937 (Comstock Pub, 1899)

The elements of insect anatomy; an outline for the use of students in entomological laboratories. By John Henry Comstock and Vernon L. Kellogg - Kellogg, Vernon L. (Vernon Lyman), 1867 -1937 (Comstock, 1912)

The elements of insect anatomy; an outline for the use of students in entomological laboratories - Comstock, John Henry, 1849 -1931 (Comstock Pub. Co, 1910)

The elements of insect anatomy : an outline for the use of students in entomological laboratories - Kellogg, Vernon L. (Vernon Lyman), 1867 -1937 (Comstock Publishing Co, 1899)

The elements of insect anatomy : an outline for the use of students in the entomological laboratories - Kellogg, Vernon L. (Vernon Lyman), 1867 -1937 (Comstock Publishing Co, 1902)

The elements of insect anatomy; an outline for the use of students in the entomological laboratories of Cornell University and Leland Stanford Junior University - Kellogg, Vernon L. (Vernon Lyman), 1867 -1937 (Comstock Pub. Co, 1895)

Elements of natural history, adapted to the present state of the science, containing the generic characters of nearly the whole animal kingdom, and the descriptions of the principal species - Stark, J. (W. Blackwood; [etc., etc.], 1828)

Elements of physiology - Baly, William, 1814 -1861 (Taylor & Walton, 1838)

Elements of structural and systematic botany, for high schools and elementary college courses (Ginn, 1891)

Elenchus zoophytorum sistens generum adumbrationes generaliores et specierum cognitarum succintas descriptiones, cum selectis auctorum synonymis - Pallas, Peter Simon, 1741 -1811 (Apud Petrum van Cleef, 1766)

Eleven miscellaneous papers on animal parasites - Stiles, Charles Wardell, 1867 -1941 (Govt. print. off, 1902)

L'elmintologia italiana da' suoi primi tempi all' anno 1890; storia, sistematica, corologia e bibliografia - Parona, Corrado, 1848 -1922 (Tip. del R. Istituto sordo-muti, 1894)