Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1950)

Lehrbuch der Paläozoologie - Stromer von Reichenbach, Ernst, Freiherr, 1871 -1952 (B.G. Teubner, 1909)

Lehrbuch der vergleichenden Anatomie der wirbellosen Thiere - Lang, Arnold, 1855 -1914 (Fischer, 1894)

Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere - Korschelt, E. (Eugen), 1858 -1946 (G. Fischer, 1890)

Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Tiere : Specieller Thiel - Korschelt, E. (Eugen), 1858 -1946 (G. Fischer, 1890)

Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere - Korschelt, E. (Eugen), 1858 -1946 (G. Fischer, 1892)

Lehrbuch der vergleichenden Histologie der Tiere - Schneider, Karl Camillo (Fischer, 1902)

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

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

Die Leitfossilien : ein Handbuch für den Unterricht und für das Bestimmen von Versteinerungen - Koken, Ernst (Ernst Friedrich Rudolf Karl), 1860 -1912 (Chr. Herm. Tauchnitz, 1896)

Die Leitfossilien, ein Handbuch für den Unterricht und für das Bestimmen von Versteinerungen - Koken, Ernst (Ernst Friedrich Rudolf Karl), 1860 -1912 (H. Tauchnitz, 1896)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1880)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1895)

Lichen flora of Lincolnshire - Seaward, M. R. D. (1980)

The lichen flora of the Santa Cruz Peninsula, California - Herre, Albert W. (Albert William), 1868 -1962 (Washington academy of sciences, 1910)

Lichenaea Africana - Stizenberger, Ernst, 1827 -1895 (In Commission bei A. & J. Köppel, 1890)

Lichenographia europaea reformata. : Praemittuntur lichenologiae fundamenta. Compendium in theoreticum et practicum lichenum studium - Fries, Elias, 1794 -1878 (typis Berlingianis, venditur apud E. Mauritium, Gryphiae, 1831)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1863)

List of mosses of the State of New-York - Peck, Charles H. (Charles Horton), 1833 -1917 (C. Wendell, printer, 1866)

List of the specimens of British animals in the collection of the British Museum - Gray, John Edward 1800 -1875 (Printed by order of the Trustees, 1848)

List of works relating to the natural history departments of the British Museum, to the end of the year 1910 - British Museum (Natural History) (Trustees of the British Museum, 1911)

The liver and its diseases, both functional and organiz. Their history, anatomy, chemistry, pathology, physiology, and treatment - Morgan, William (Homoeopathic Pub. Co, 1877)

The lower animals; living invertebrates of the world - Buchsbaum, Ralph, 1907 -2002 (Doubleday, 1960)

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

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1972)

Malacologia - Institute of Malacology. (Institute of Malacology], 1973)

Malacologia - Institute of Malacology. (Institute of Malacology], 1983)

Malacologia - Institute of Malacology. (Institute of Malacology], 1991)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1889)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1890)

Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1887)

Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1888)

Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1894)

Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1885)

A manual of homoeopathic veterinary practice - Boericke & Tafel. (Boericke & Tafel, 1873)

A manual of natural history, for the use of travellers : being a description of the families of the animal and vegetable kingdoms: with remarks on the practical study of geology and meteorology. To which are appended directions for collecting and preserving - Adams, Arthur, 1820 -1878 (J. Van Voorst, 1854)

A manual of natural history, for the use of travellers : being a description of the families of the animal and vegetable kindgoms: with remarkable on the practical study of geology and meteorology. To which are appended directions for collecting and preserving - Adams, Arthur, 1820 -1878 (J. Van Voorst, 1854)

A manual of palaeontology for the use of students with a general introduction on the principles of palaeontology - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood and sons, 1872)

A manual of palæontology for the use of students : with a general introduction on the principles of palaeontology - Nicholson, Henry Alleyne, 1844 -1899 (Blackwood, 1872)

Manual of the botany of the northern United States : including the district east of the Mississippi and north of North Carolina and Tennessee, arranged according to the natural system - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, 1868)

Manual of the botany of the northern United States : including the district east of the Mississippi, and north of North Carolina and Tennessee - Coulter, John Merle, 1851 -1928 (American Book Company, 1889)

Manual of the botany of the northern United States : including the district east of the Mississippi and north of North Carolina and Tennessee, arranged according to the natural system - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, 1867)

A manual of the common invertebrate animals, exclusive of insects - Pratt, Henry Sherring, 1859 - (A.C. McClurg & co, 1916)

A manual of the common invertebrate animals, exclusive of insects - Pratt, Henry Sherring, 1859 - (A.C. McClurg & Co, 1923)

A manual of the mosses of western Pennsylvania - Jennings, Otto E. (Otto Emery), 1877 -1964 (The author, Press of the City Mission Pub. Co, 1913)

A manual of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (The Macmillan Company, 1900)

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

A manual of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1900)

A manual of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan & co., ltd, 1899)

A manual of zoology for the use of students ... , with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (Blackwood, 1873)

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, 1870)

A manual of zoology for the use of students : with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (D. Appleton, 1877)

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 - Nicholson, Henry Alleyne, 1844 -1899 (R. Hardwicke, 1870)

A manual of zoology for the use of students : with a general introd. on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (William Blackwood 8 Sons, 1887)

Manuel de paléontologie - Hoernes, Rudolf, 1850 -1912 (Savy, 1886)

Marine botany and sea-side objects : embracing every feature of interest connected with this delightful sea-side recreation : and illustrated with many charming specimens (Ward, Lock & Co)

The marine invertebrates and fishes of St. Andrews - M'Intosh, William Carmichael, 1838 -1931 (A. and C. Black; [etc., etc.], 1875)

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Meeresfauna von Bergen - Bergens Museum. (J. Grieg, 1901)

Mémoires d'un botaniste, accompagnés de la florule des stations des chemins de fer du Midi dans le Gers - Dupuy, Dominique, 1812 -1885 (F. Savi, 1868)

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Memoires de la Société de physique et d'histoire naturelle de Genève - Société de physique et d'histoire naturelle de Genève. (Georg [etc.], 1888)

Memoires de la Société de physique et d'histoire naturelle de Genève - Société de physique et d'histoire naturelle de Genève. (Georg [etc.], 1890)

Memoires de la Société de physique et d'histoire naturelle de Genève - Société de physique et d'histoire naturelle de Genève. (Georg [etc.], 1891)

Mémoires de la Société des Sciences Naturelles de Neuchâtel - Société des sciences naturelles de Neuchâtel (1845)

Mémoires de la Société nationale des sciences naturelles et mathématiques de Cherbourg - Société nationale des sciences naturelles et mathématiques de Cherbourg. (J. B. Baillière, 1885)

Mémoires de la Société nationale des sciences naturelles et mathématiques de Cherbourg - Société nationale des sciences naturelles et mathématiques de Cherbourg. (J. B. Baillière, 1906)

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