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 d'anatomie Comparée ... recuellies et publiées sous ses yeux - Cuvier, Georges, baron, 1769 -1832 (1800)

Lehrbuch der Anatomie des Menschen - Gegenbaur, C. (Carl), 1826 -1903 (Engelmann, 1883)

Lehrbuch der entwickelungsgeschichte des menschen - Kollmann, Julius, 1834 -1918 (G. Fischer, 1898)

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

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

Lehrbuch der Paläozoologie - Stromer von Reichenbach, Ernst, Freiherr, 1871 -1952 (B.G. Teubner, 1912)

Lehrbuch der praktischen vergleichenden Anatomie - Vogt, Karl Christoph, 1817 -1895 (Vieweg, 1894)

Lehrbuch der praktischen vergleichenden Anatomie - Vogt, Karl Christoph, 1817 -1895 (Vieweg, 1889)

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

Lehrbuch der vergleichenden Anatomie der Wirbellosen Thiere - Siebold, C. Th. E. von (Carl Theodor Ernst), 1804 -1885 (Veit, 1846)

Lehrbuch der vergleichenden Anatomie der wirbellosen Thiere - Siebold, C. Th. E. von (Carl Theodor Ernst), 1804 -1885 (Verlag von Veit & Comp, 1848)

Lehrbuch der vergleichenden mikroskopischen Anatomie der Wirbeltiere - Royal College of Physicians of Edinburgh. (G. Fischer, 1914)

Lehrbuch der Zoologie - Hertwig, Richard Karl Wilhelm Theodor von Sir Richard Karl Wilhelm Theodor von Hertwig 1850 -1937 (G. Fischer, 1893)

Lehrbuch der Zoologie für Studierende und Lehrer - Boas, J. E. V. (Johan Erik Vesti), 1855 -1935 (G. Fischer, 1890)

Lehrbuch der Zoologie - Claus, Carl, 1835 -1899 (Elwert, 1897)

Lehrbuch der zoologie - Claus, Carl, 1835 -1899 (N. G. Elwert, 1883)

Lehrbuch der zoologie - Claus, Carl, 1835 -1899 (N. G. Elwert, 1891)

Lehrbuch der Zoologie - Hertwig, Richard Karl Wilhelm Theodor von Sir Richard Karl Wilhelm Theodor von Hertwig 1850 -1937 (G. Fischer, 1910)

Lehrbuch der Zoologie - Hertwig, Richard Karl Wilhelm Theodor von Sir Richard Karl Wilhelm Theodor von Hertwig 1850 -1937 (G. Fischer, 1892)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1893)

Lessons in elementary anatomy - Mivart, St. George Jackson, 1827 -1900 (MacMillan, 1889)

Libro en honor de D.S. Ramón y Cjal; trabajos originales de sus admiradores y discípulos extranjeros y nacionales - Junta para el Homenaje à Cajal ([Jiménez y Molina, impresores], 1922)

The life, letters and labours of Francis Galton - Pearson, Karl, 1857 -1936 (University press, 1914)

The life of animals; the mammals - Ingersoll, Ernest, 1852 -1946 (The Macmillan Company, 1906)

The life of vertebrates - Young, J. Z. (John Zachary), 1907 -1997 (Oxford University Press, 1962)

Life, outlines of general bioloy - Thomson, J. Arthur (John Arthur), 1861 -1933 (Harper, 1900)

List of land mammals of New Guinea, Celebes and adjacent islands, 1758-1952 - Laurie, Eleanor Mary Ord. (BM(NH), 1954)

List of skeletons and crania in the Section of Comparative Anatomy of the United States Army Medical Museum : for use during the International Exhibition of 1876 in connection with the representation of the Medical Department, U.S. Army - Yarrow, H. C. (Harry Crécy) 1840 -1929 (Army Medical Museum, 1876)

List of skeletons and crania in the section of comparative anatomy of the United States Army Medical Museum : for use during the International Exhibition of 1876 in connection with the representation of the Medical Department, U.S., Army - Yarrow, H. C. (Harry Crécy) 1840 -1929 (The Museum, 1876)

List of the specimens of Mammalia in the collection of the British museum - Gray, John Edward, 1800 -1875 (The Trustees, 1843)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1853)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1854)

Lunds universitets årsskrift 2. Afd Medicin samt matematiska och naturvetenskapliga ämmen - Lunds universitet. (Universitets], 1907)

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)

The Malay archipelago : the land of the Orang-Utan, and the bird of paradise : a narrative of travel, with studies of man and nature - Wallace, Alfred Russel, 1823 -1913 (Macmillan and Co, 1869)

The Malay Archipelago : the land of the orang-utan and the bird of paradise : a narrative of travel, with studies of man and nature - Wallace, Alfred Russel, 1823 -1913 (Macmillan and Co, 1869)

The Malay Archipelago : the land of the orang-utan and the bird of paradise ; a narrative of travel, with studies of man and nature - Wallace, Alfred Russel, 1823 -1913 (Macmillan, 1886)

The Malay Archipelago, the land of the orang-utan and the bird of paradise : a narrative of travel, with studies of man and nature - Wallace, Alfred Russel, 1823 -1913 (MacMillan, 1874)

The Malay Archipelago: the land of the orang-utan, and the bird of paradise - Wallace, Alfred Russel, 1823 -1913 (Harper & Brothers, 1869)

The Malay archipelago : the land of the orang-utan and the bird of paradise : a narrative of travel, with studies of man and nature - Wallace, Alfred Russel, 1823 -1913 (Macmillan, 1890)

Der Malayische Archipel. Die Heimath des Orang-Utan und des Paradiesvogels. Reiseerlebnisse und Studien über Land und Leute - Wallace, Alfred Russel, 1823 -1913 (Westermann, 1869)

Malesia; raccolta di osservazioni botaniche intorno alle piante dell'arcipelago Indo-Malese e Papuano pubblicata da Odoardo Beccari, destinata principalmente a descrivere ed illustrare le piante da esso raccolte in quelle regioni durante i viaggi eseguiti dall'anno 1865 all'anno 1878 ... - Beccari, Odoardo, 1843 -1920 (Tip. del R. Instituto sordo-muti, 1884)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1921)

Mammalia. Popularly described by typical species. With numerous anecdotes - Blyth, Edward, 1810 -1873 (F. Warne and Co, 1870)

Mammalia : their various forms and habits, popularly illustrated by typical species - Figuier, Louis, 1819 -1894 (Cassell, Petter, Galpin & Co, 1883)

Mammalia. Their various orders and habits popularly illustrated by typical species - Blyth, Edward, 1810 -1873 (D. Appleton, 1870)

Mammalogie, ou, Description des espèces de mammifères - Desmarest, A.-G. (Anselme-Gaëtan), 1784 -1838 (Chez Mme. Veuve Agasse, imprimeur-libraire, 1820)

Mammalogie, ou, Description des espèces de mammifères - Desmarest, A.-G. (Anselme-Gaëtan), 1784 -1838 (Chez Mme. Veuve Agasse, imprimeur-libraire, 1822)

Mammalogie ou description des espèces des Mammifères - Desmarest, A.-G. (Anselme-Gaëtan), 1784 -1838 (Veuve Agasse, 1820)

Mammals of the Pacific world - Tate, G. H. H. (George Henry Hamilton), 1894 -1953 (The Macmillan Company, 1945)

Man and apes, an exposition of structural resemblances and differences bearing upon questions of affinity and origin - Mivart, St. George Jackson, 1827 -1900 (D. Appleton & co, 1874)

Man and the biological world - Rogers, J. Speed (James Speed), 1892 -1955 (McGraw-Hill, 1952)

Manual de mastozoología - Cabrera, Angel 1879 -1960 ("Calpe", 1922)

A manual of orchidaceous plants cultivated under glass in Great Britain - James Veitch & Sons. (J. Veitch & Sons, 1887)

A manual of the anatomy of the vertebrated animals - Huxley, Thomas Henry, 1825 -1895 (J. &. A. Churchill, 1871)

A manual of the anatomy of vertebrated animals - Huxley, Thomas Henry, 1825 -1895 (J. & A. Churchill, 1871)

A manual of the anatomy of vertebrated animals - Huxley, Thomas Henry, 1825 -1895 (Appleton, 1898)

A manual of the anatomy of vertebrated animals - Huxley, Thomas Henry, 1825 -1895 (Appleton, 1872)

A manual of the anatomy of vertebrated animals - Huxley, Thomas Henry, 1825 -1895 (D. Appleton, 1886)

Manual of the botany of the northern United States - Gray, Asa, 1810 -1888 (Ivison, Phinney, & co, 1862)

A manual of zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt and Company, 1902)

A manual of zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt, 1912)

A manual of zoology - Nicholson, Henry Alleyne, 1844 -1899 (Blackwood, 1870)

A manual of zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt, 1909)

A manual of zoology for the use of students : with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood, 1887)

A manual of zoology for the use of students : with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (William Blackwood, 1878)

Mark anniversary volume ; to Edward Laurens Mark, Hersey professor of anatomy and director of the zoölogical laboratory at Harvard university, in celebration of twenty-five years of successful work for the advancement of zoölogy, from his former students, 1877-1902 - Parker, George Howard, 1864 -1955 (H. Holt and company, 1903)

Mark anniversary volume; to Edward Laurens Mark, Hersey Professor of Anatomy and Director of the Zoölogical Laboratory at Harvard University, in celebration of twenty-five years of successful work for the advancement of zoölogy - Parker, George Howard, 1864 -1955 (H. Holt and Company, 1903)

Materialien zur Naturgeschichte der Insel Celebes - Sarasin, Fritz, 1859 -1942 (C.W. Kreidel's Verlag, 1901)

Mathematische und naturwissenschaftliche Berichte aus Ungarn - Magyar Tudományos Akadémia. (R. Friedländer & Sohn [etc.], 1905)

Mémoire sur les quadrumanes et les chéiroptères de l'archipel Indien (J.D. Sijbrandi, 1863)

Mémoires d'anthropologie zoologique et biologique - Broca, Paul, 1824 -1880 (1877)

Mémoires de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Impr. de l'Universitmpale, 1817)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1897)

Mededeelingen uit 's Lands Plantentuin - 's Lands Plantentuin. (G. Kolff & Co, 1895)

Mededeelingen uit 's Lands Plantentuin - 's Lands Plantentuin. (G. Kolff & Co, 1902)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1854)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1868)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1866)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1870)

Mémoires du Muséum national d'histoire naturelle Série C Sciences de la terre - Muséum national d'histoire naturelle (France) (Ed. du Muséum, 1964)

Mémoires du Muséum national d'histoire naturelle Série A Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1963)