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, 1896)

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)

Dredging in Lake Superior under the direction of the U.S. Lake Survey - Smith, Sidney I. (Sidney Irving) 1843 -1926 (S. Converse, 1871)

The earth before history; man's origin and the origin of life - Collum, Vera Christina Chute, 1883 - (K. Paul, Trench, Trubner & co., ltd, 1925)

L'Echange : organe des Naturalistes de la région lyonnaise - Naturalistes de la région lyonnaise (Society) (L. Jacquet, 1890)

L'Echange : organe des Naturalistes de la région lyonnaise - Naturalistes de la région lyonnaise (Society) (L. Jacquet, 1897)

L'Echange : organe des Naturalistes de la région lyonnaise - Naturalistes de la région lyonnaise (Society) (L. Jacquet, 1904)

Echinodermen (Stachelhäuter) - Ludwig, Hubert, 1852 -1913 (C.F. Winter, 1899)

The Echo - Western Society of Malacologists. (Western Society of Malacologists, 1968)

Ecological animal geography; an authorized, rewritten edition based on Tiergeographie auf ockologischer grundlage - Hesse, Richard, 1868 -1944 (J. Wiley & Sons, Inc, 1937)

An ecological survey in northern Michigan - Adams, Charles C. (Charles Christopher), 1873 -1955 (Wynkoop Hallenbeck Crawford co., state printers, 1906)

An ecological survey of Isle Royale, Lake Superior - Adams, Charles C. (Charles Christopher), 1873 -1955 (Wynkoop Hallenbeck Crawford Co., State Printers, 1909)

Edinburgh encyclopaedia (Blackwood, 1830)

Edinburgh Journal of Natural and Geographical Sciences (1829)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1835)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1844)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1846)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1850)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1851)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1860)

Eesti Looduseuurijate Seltsi aastaraamat - Eesti Looduseuurijate Selts. (Valgus, 1908)

Eesti Looduseuurijate Seltsi aastaraamat - Eesti Looduseuurijate Selts. (Valgus, 1912)

Einleitung in die Conchylienkenntniss nach Linné - Linné, Carl von, 1707 -1778 (Bey Johann Jacob Gebauer, 1784)

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

Elementary text-book of zoology - Claus, Carl, 1835 -1899 (Macmillan, 1890)

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 : special part : mollusca to man - Claus, Carl, 1835 -1899 (Swan Sonnenschein, 1897)

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

Elemente der palaeontologie : (Palaeozoologie) / von Rudolf Hoernes - Hoernes, Rudolf, 1850 -1912 (1884)

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

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

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

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

Elements of conchology : including the fossil genera and the animals - Bowdich, T. Edward (Thomas Edward), 1791 -1824 (Printed by J. Smith, and sold by Treuttel and Würtz, London, 1822)

Elements of conchology : an introduction to the natural history of shells and of the animals which form them - Sowerby, G. B. (George Brettingham), 1812 -1884 (Published by the Author, 1860)

Elements of conchology : prepared for the use of schools and collges - Comté, Achille, 1802 -1866 (Griggs & Elliot, 1845)

Elements of conchology / Prepared for the use of schools and colleges - Comté, Achille, 1802 -1866 (Grigg & Elliot, 1845)

The elements of fossil conchology; according to the arrangement of Lamarck; with the newly established genera of other authors - Brown, Thomas, 1785 -1862 (Houlston & Stoneman, 1843)

Elements of geology - Lyell, Charles, Sir, 1797 -1875 (James Kay, Jun. and Brother, 1839)

Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments - Lyell, Charles, Sir, 1797 -1875 (D. Appleton and co, 1868)

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 natural history : embracing zoology, botany and geology for schools, colleges and families - Ruschenberger, W. S. W. (William Samuel Waithman), 1807 -1895 (Claxton, Remsen & Haffelfinger, 1871)

Eleventh annual report of the United States Geological and Geographical Survey of the Territories : embracing Idaho and Wyoming : being a report of progress of the exploration for the year 1877 - Hayden, F. V. (Ferdinand Vandeveer), 1829 -1887 (G.P.O, 1879)

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)

L'elmintologia italiana da' suoi primi tempi all'anno 1910. Bibliografia. Sistematica. Corologia. Storia ... - Parona, Corrado, 1848 -1922 (Tip. di G. Gaddi, 1911)

Encheiridion botanikon specimen inaugurale - Lipp, Franz Joseph, 1734 -1775 (Typis Joannis Thomae de Trattnern, 1765)

Enchiridion historiae naturali inserviens, quo termini et delineationes ad avium, piscium, insectorum et plantarum adumbrationes intelligendas et concinnandas, secundum methodum systematis Linnaeani continentur - Forster, Johann Reinhold, 1729 -1798 (Prostat apud Hemmerde et Schwetschke, 1788)

English cyclopaedia, a new dictionary of universal knowledge - Knight, Charles, 1791 -1873 (Bradbury, 1854)

Entomological news - American Entomological Society. (American Entomological Society, 1931)