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Memorias de la Real Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (s.n.], 1903)

Memorias de la Real Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (s.n.], 1908)

Memorias de la Real Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (s.n.], 1911)

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Memorias y revista de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1892)

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Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1820)

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Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1884)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1903)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1908)

Memorie di matematica e di fisica della Societ`a italiana delle Scienze - Società Italiana delle Scienze. (Società Italiana delle Scienze, 1825)

Memories of the months - Maxwell, Herbert, Sir, 1845 -1937 (E. Arnold & Co, 1922)

Memories of the months. Third series - Maxwell, Herbert, Sir, 1845 -1937 (E. Arnold, 1903)

Mennesket, dets oprindelse, liv og bestemmelse, beteragtet fra et naturhistorisk standpunkt - Geijerstam, Karl Johan af, 1860 -1899 (Strand & co, 1896)

Menniskan, hennes uppkomst hennes lif och hennes bestämmelse ur naturhistorisk synpunkt betraktade - Geijerstam, Karl Johan af, 1860 -1899 (P. A. Lindberg & co, 1896)

Menschenaffen (Anthropomorphae) : Studien über Entwickelung und Schädelbau - Selenka, Emil, 1842 -1902 (C.W. Kreidel, 1899)

Methodi naturalis avium disponendarum tentamen. Försök till fogelklassens naturenliga uppställnung - Sundevall, Carl J., 1801 -1875 (Samson & Wallin, 1872)

Methods of attracting birds - Trafton, Gilbert H. (Gilbert Haven), 1874 - (Houghton Mifflin Company, 1910)

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Mexico, April 21, 1898 - May 1, 1899 - Goldman, Edward Alphonso, 1873 -1946 (1898)

Mexico, August 31, 1897 - April 20, 1898 - Goldman, Edward Alphonso, 1873 -1946 (1897)

Mexico, December 13, 1902 - July 5, 1903 - Goldman, Edward Alphonso, 1873 -1946 (1902)

Mexico, mammal and bird notes, 1897-1898 - Goldman, Edward Alphonso, 1873 -1946 (1897)

Mexico, October 1, 1892 - April 4, 1893 - Goldman, Edward Alphonso, 1873 -1946 (1892)

Mexico, September 19 - November 28, 1896 - Goldman, Edward Alphonso, 1873 -1946 (1896)

Meyers grosses konversations-lexikon. Ein nachschlagewerk des allgemeinen wissens. 2557142MC - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1902)

Meyers Konversations-Lexikon : ein Nachschlagewerk des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1896)

Meyers Konversations-Lexikon : eine Encyklopädie des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Verlag des Bibliographischen Instituts, 1890)

Michigan bird life, a list of all the bird species known to occur in the state together with an outline of their classification and an account of the life history of each species, wtih special reference to its relation to agriculture - Barrows, Walter Bradford, 1855 -1923 (Michigan Agricultural College, 1912)

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The migration of birds : an attempt to reduce avian season-flight to law - Dixon, Charles, 1858 -1926 (Chapman and Hall, 1892)

The migration of British birds, including their post-glacial emigrations as traced by the application of a new law of disperal being a contribution to the study of migration, geographical distribution, and insular faunas - Dixon, Charles, 1858 -1926 (Chapman and Hann, 1895)

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