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

Midden-Sumatra. Reizen en onderzoekingen der Sumatra-expeditie, uitgerust door het Aardrijkskundig genootschap, 1877-1879, beschreven door de leden der expeditie, onder toezicht van Prof. P.J. Veth - Veth, Pieter Johannes, 1814 -1895 (E.J. Brill, 1881)

Midden-Sumatra. Reizen en onderzoekingen der Sumatra-expeditie, uitgerust door het Aardrijkskundig genootschap, 1877-1879, beschreven door de leden der expeditie, onder toezicht van Prof. P.J. Veth - Veth, Pieter Johannes, 1814 -1895 (E. J. Brill, 1881)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1959)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1974)

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)

Miscellaneous publication - University of Kansas, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1975)

Miscellanes zoologica - Coues, Elliott, 1842 -1899 (1857)

Mission du Service Geographique de l'Armée pour la mesure d'un arc de méridien équatorial en Amérique du Sud sous le contrôle scientifique de l'Académie des Sciences, 1899-1906 - France. (Gauthier-Villars, Imprimeur Libraire du Bureau des Longitudes, de l'Ecole Polytechnique, 1910)

Missionary travels and researches in South Africa : including a sketch of sixteen years' residence in the interior of Africa, and a journey from the Cape of Good Hope to Loanda, on the west coast, thence across the continent, down the river Zambesi, to the eastern ocean - Livingstone, David, 1813 -1873 (J. Murray, 1857)

Mitteilungen der Geographischen Gesellschaft und des Naturhistorischen Museums in Lübeck - Geographische Gesellschaft in Lübeck (Lübcke & Nöhring, 1890)

Mittheilungen von Forschungsreisenden und Gelehrten aus den deutschen Schutzgebieten : mit Benutzung amtlicher quellen (U. Usher, 1893)

Monatsschrift des Deutschen Vereins zum Schutze der Vogelwelt - Deutscher Verein zum Schutze der Vogelwelt. ([s.n.], 1878)

Monatsschrift des Deutschen Vereins zum Schutze der Vogelwelt - Deutscher Verein zum Schutze der Vogelwelt. ([s.n.], 1876)

Monitore zoologico italiano - Unione zoologica italiana. (Instituto anatomico della R. Università di Siena, 1917)

A monograph of the birds forming the tanagrine genus Calliste : illustrated by coloured plates of all the known species - Sclater, Philip Lutley, 1829 -1913 (J. Van Voorst, 1857)

A monograph of the Capitonidæ, or scansorial barbets - Marshall, Charles Henry Tilson, 1841 - (Published by the Authors, 1871)

A monograph of the Capitonidae or Scansorial Barbets - Marshall, G. F. L. (George Frederick Leycester), 1843 -1934 ([s.n.], 1871)

A monograph of the Hirundinidae : or family of swallows - Sharpe, Richard Bowdler, 1847 -1909 (Printed for the authors, 1885)

A monograph of the jacamars and puff-birds, or families Galbulidæ and Bucconidæ - Sclater, Philip Lutley, 1829 -1913 (Published for the author by R.H. Porter [etc, 1882)

A monograph of the Meropidae, or family of the bee-eaters - Dresser, H. E. (Henry Eeles), 1838 -1915 (Published by the author, 1884)

A monograph of the Trogonidae, or family of trogons - Gould, John 1804 -1881 (The Author, 1835)

A monograph of the Trogonidae, or family of trogons - Gould, John 1804 -1881 (The Author, 1838)

A monograph of the Trogonidæ or trogons - Gould, John 1804 -1881 (1858)

A monograph of the Trogonidæ or trogons - Gould, John 1804 -1881 (1869)