Latreille's Naturliche Familien des Thierreichs - Latreille, P. A. (Pierre André), 1762 -1833 (Im Verlage des Gr. H.S. priv. Landes-Industrie- Comptoirs, 1827)

Leçons élémentaires d'histoire naturelle et de chimie : dans lesquelles on s'est proposé, 1. de donner un ensemble méthodique des connoissances chimiques acquises jusqu'à ce jour; 2. d'offrir un tableau comparé de la doctrine de Stahl & de celle de quelques modernes - Fourcroy, Antoine-François de, comte, 1755 -1809 (Rue et Hôtel Serpente, 1782)

Lecons d'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Crochard, 1840)

Lectures on comparative anatomy : in which are explained the preparations in the Hunterian collection - Royal College of Physicians of Edinburgh. (G. and W. Nicol, 1814)

Lectures on the comparative anatomy and physiology of the invertebrate animals, delivered at the Royal college of surgeons, in 1843 - Owen, Richard, 1804 -1892 (Longman, Brown, Green, and Longmans, 1843)

Lectures on the comparative anatomy and physiology of the invertebrate animals : delivered at the Royal College of Surgeons - Owen, Richard, 1804 -1892 (Longman, Brown, Green & Longmans, 1855)

Lectures on the comparative anatomy and physiology of the invertebrate animals, delivered at the Royal college of surgeons - Owen, Richard, 1804 -1892 (Longman, Grown, Green, and Longmans, 1855)

Lectures on the comparative anatomy and physiology of the vertebrate animals : delivered at the Royal College of Surgeons of England, in 1844 and 1846 ... Part 1. Fishes - Owen, Richard, 1804 -1892 (Longman, Brown, Green, and Longmans, 1846)

Leechdoms, wortcunning, and starcraft of early England : Being a collection of documents, for the most part never before printed, illustrating the history of science in this country before the Norman conquest - Cockayne, Thomas Oswald, 1807 -1873 (Longman, Green, Longman, Roberts, and Green, 1864)

Lehrbuch der mitteleuropäischen Forstinsektenkunde - Nitsche, Hinrich, 1845 -1902 (Verlagsbuchhandlung Paul Parey, SW, Hedemannstrasse 10, 1895)

Lehrbuch der Naturgeschichte - Burmeister, Hermann, 1807 -1892 (Anton und Gelbecke, 1830)

Lehrbuch der Naturgeschichte - Perleb, Karl Julius, 1794 -1845 (Friedrich Wagner, 1831)

Lehrbuch der vergleichenden Anatomie - Royal College of Physicians of Edinburgh. (C. Winter, 1878)

Lehrbuch der zoologie - Voigt, F. S. (Friedrich Siegmund), 1781 -1850 (E. Schweizerbart, 1838)

Lehrbuch der Zootomie; anatomische Charakteristik der Thierklassen, als Einleitung in das Studium der Zoologie, vergleichenden Anatomie und Physiologie mit Hinweisung auf die Icones zootomicae - Frey, Heinrich, 1822 -1890 (Voss, 1847)

Leitfaden für das zoologische Praktikum - Kükenthal, W. G. (Willy Georg), 1861 -1922 (Gustav Fischer, 1910)

Leitfaden für das zoologische Praktikum - Kükenthal, W. G. (Willy Georg), 1861 -1922 (Fischer, 1912)

Leitfaden für das zoologische Praktikum - Kükenthal, W. G. (Willy Georg), 1861 -1922 (G. Fischer, 1912)

Die Leitungsbahnen im Nervensystem der wirbellosen Tiere - Droogleever Fortuyn, Aemilius Bernardus, 1886 - (F. Bohn, 1920)

Lepidopteren : gesammelt auf einer Reise durch Colombia, Ecuador, Perú, Brasilien, Argentinien und Bolivien in den Jahren 1868-1877 - Maassen, J. Peter, 1810 -1890 (A. Asher, 1890)

Lexicon Entomologicum, oder Entomologisches Wörterbuch - Möller, C.H. ([s.n.], 1795)

Lexikon der entomologischen welt, der carcinologischen und arachnologischen. Adressenbuch der lebenden entomologen und entomophilen, etc.; der carcinologen und arachnologen sammt ihren schriften, dann der naturforscher-akademien und deren verhandlungen, der zoologischen ephemeriden, bibliographien, biographien und realwörterbücher, der öffentlichen und privat-sammlungen der welt, der schriften über sammlungs- und aufbewahrungsweise der gliederthiere, mit doppelten registern und einer aufzählung aller entomologischen, carcinologischen und arachnologischen schriftsteller von Aristoteles an bis zur gegenwart - Gistel, Johannes, 1809 - (E. Schweizerbart, 1846)

Lexikon der entomologischen Welt, der carcinologischen und arachnologischen : Adressenbuch der lebenden Entomologen und Entomolophilen etc. ; ... von Aristoteles an bis zur Gegenwart - Gistel, Johannes, 1809 - (E. Schweizerbart'sche Verlagshandlung, 1846)

Liangqi baxing dongwu yanjiu = Acta herpetologica Sinica - Chengdu Sheng wu yan jiu suo. (Zhongguo ke xue yuan Zhengdu sheng su yan jiu suo, 1982)

Libellulinae europaeae descriptae ac depictae - Charpentier, Toussaint von, 1779 -1847 (Leopold Voss, 1840)

Libri de piscibus marinis : in quibus veræ piscium effigies expressæ sunt : quæ in tota piscium historia contineantur, indicat elenchus pagina nona et decima : postremo indices necessarij - Rondelet, Guillaume, 1507 -1566 (Apud Matthiam Bonhomme, 1554)

Life of a Scotch naturalist, Thomas Edward, associate of the Linnean Society - Smiles, Samuel, 1812 -1904 (J. Murray, 1877)

Linnaeus im Auslande : Linnés gesammelte Jugendschriften autobiographischen Inhaltes aus den Jahren 1732-1738 - Ehret, Georg Dionysius, 1708 -1770 (In Eigenem Verlage, 1919)

List of the specimens of birds in the collection of the British Museum - Gray, George Robert, 1808 -1872 (printed by the order of the Trustees, 1844)

List of the specimens of birds in the collection of the British Museum - Gray, George Robert, 1808 -1872 (printed by the order of the Trustees, 1848)

List of the specimens of Crustacea in the collection of the British Museum - British Museum (Natural History) (Printed by order of the Trustees, 1915)

List of the specimens of Crustacea in the collection of the British Museum - British Museum (Natural History) (Printed by order of the Trustees, 1847)

List of the specimens of lepidopterous insects in the collection of the British Museum - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1844)

The living world : containing descriptions of the several races of men, and all species of animals, birds, fishes, insects, etc., etc. : with numerous anecdotes, illustrative of their instincts, reasoning powers and domestic habits - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Samuel Walker & Co, 1868)

The lizards, crocodiles, and turtles of Honduras : systematics, distribution, and conservation - McCranie, James R. (Harvard University Museum of Comparative Zoology, 2018)

Locupletissimi rerum naturalium thesauri accurata descriptio, et iconibus artificiosissimis expressio, per universam physices historiam : opus, cui, in hoc rerum genere, nullum par exstitit - Boerhaave, Herman, 1668 -1738 (Apud J. Wetstenium, & Gul. Smith, & Janssonio-Waesbergios, 1734)

Locupletissimi rerum naturalium thesauri accurata descriptio, et iconibus artificiosissimis expressio, per universam physices historiam : opus, cui, in hoc rerum genere, nullum par exstitit - Boerhaave, Herman, 1668 -1738 (Apud J. Wetstenium, & Gul. Smith, & Janssonio-Waesbergios, 1735)

Locupletissimi rerum naturalium thesauri accurata descriptio, et iconibus artificiosissimis expressio, per universam physices historiam : opus, cui, in hoc rerum genere, nullum par exstitit - Boerhaave, Herman, 1668 -1738 (Apud J. Wetstenium, & Gul. Smith, & Janssonio-Waesbergios, 1758)

Locupletissimi rerum naturalium thesauri accurata descriptio, et iconibus artificiosissimis expressio, per universam physices historiam : opus, cui, in hoc rerum genere, nullum par exstitit - Boerhaave, Herman, 1668 -1738 (Apud J. Wetstenium, & Gul. Smith, & Janssonio-Waesbergios, 1765)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1832)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1833)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1834)

London Naturalist - London Natural History Society. (London Natural History Society, 1999)

Lord Howe Island. Its zoology, geology, and physical characters - Ogilby, J. Douglas (James Douglas), 1853 -1925 (C. Potter, government printer, 1889)

The luminescence of biological systems; proceedings of the conference on luminescence, March 28-April 2, 1954, sponsored by the Committee on Photobiology of the National Academy of Sciences-National Research Council and supported by the National Science Foundation - National Research Council (U.S.). Committee on Photobiology. (American Association for the Advancement of Science, 1955)

M. Th. Brünnichii Entomologia : sistens insectorum tabulas systematicas : cum introductione et iconibus = Insektlære : indeholdende insekternes systematiske tavler : samt indledning og figurer - Brünnich, M. Thr. (Morten Thrane), 1737 -1827 (Trykt hos Andreas Hartvig Godiche, 1764)

M. Th. Brünnichii Zoologiae fundamenta praelectionibus academicis accommodata = Grunde i dyrelaeren - Brünnich, M. Thr. (Morten Thrane), 1737 -1827 (Apud Frider. Christ. Pelt, 1772)

Magasin Encyclopédique : ou journal des sciences, des lettres et des arts (1806)

Magasin Encyclopédique : ou journal des sciences, des lettres et des arts (1805)

Magazin für die Liebhaber der Entomologie - Fuessli, Johann Caspar, 1743 -1786 (Bey dem Herausgeber und bey Heinrich Steiner, 1778)

Magazin für Insektenkunde - Illiger, Johann Karl Wilhelm, 1775 -1813 (Karl Reichard, 1801)

Magazin für Insektenkunde - Illiger, Johann Karl Wilhelm, 1775 -1813 (Karl Reichard, 1804)

Magazin für Insektenkunde - Illiger, Johann Karl Wilhelm, 1775 -1813 (Karl Reichard, 1806)

Magazin für das Neueste aus der Physik und Naturgeschichte - Lichtenberg, Georg Christoph, 1742 -1799 (Carl Wilhelm Ettinger, 1781)

Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology - Loudon, J. C. (John Claudius), 1783 -1843 (printed for Longman, Rees, Orme, Brown, and Green, 1837)

Magyarország pók-faunája - Herman, Ottó, 1835 -1914 (Kiadja a Királyi magyar termászettudományi társulat, 1876)

Magyarország pók-faunája - Herman, Ottó, 1835 -1914 (Kiadja a Királyi magyar termászettudományi társulat, 1879)

Malacologia - Institute of Malacology. (Institute of Malacology], 1964)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1871)

Malaysian spiders - Workman, Thomas (T. Workman, 1896)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 2006)

Mantissa insectorum, exhibens species nuper in Etruria - Rossi, Pietro, fl 1790 - (Ex typ. Polloni, 1792)

A manual of comparative anatomy - Blumenbach, Johann Friedrich, 1752 -1840 (Printed for W. Simpkin and R. Marshall, 1827)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1879)