A manual of North American birds - Ridgway, Robert, 1850 -1929 (Lippincott, 1887)

A manual of North American birds - Ridgway, Robert, 1850 -1929 (J.B. Lippincott Co, 1900)

A manual of North American birds - Ridgway, Robert, 1850 -1929 (J. B. Lippincott, 1887)

A manual of North American birds - Ridgway, Robert, 1850 -1929 (J. B. Lippincott Company, 1896)

A manual of North American birds - Ridgway, Robert, 1850 -1929 (J.B. Lippincott, 1887)

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

Manual of the botany (Phænogamia and Pteridophyta) of the Rocky mountain region, from New Mexico to the British boundary - Coulter, John Merle, 1851 -1928 (Ivison, Blakeman, Taylor, and Company, 1885)

Manual of tropical and subtropical fruits, excluding the banana, coconut, pineapple, citrus fruits, olive, and fig - Popenoe, Wilson, 1892 -1975 (The Macmillan Company, 1920)

The marine fishes of Panama. Part I - Field Museum of Natural History. (Field Museum of Natural History, 1923)

The marine fishes of Panama. Part III - Field Museum of Natural History. (Field Museum of Natural History, 1928)

Marvelous works of nature and art : together with useful and interesting information for all, with plates of illustration - Cook, Loring. (T.J. Griffiths, printer, 1873)

Maryland birdlife - Maryland Ornithological Society. (Maryland Ornithological Society, 1995)

The Maryland yellowthroat - Maryland Ornithological Society. (The Society, 2007)

The Maryland yellowthroat - Maryland Ornithological Society. (The Society, 2008)

The Maryland yellowthroat - Maryland Ornithological Society. (The Society, 2010)

The Maryland yellowthroat - Maryland Ornithological Society. (The Society, 2016)

Mémoires couronnés et autres mémoires publiés par l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (F. Hayez, 1859)

Mémoires couronnés et autres mémoires publiés par l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (F. Hayez, 1872)

Mémoires du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1997)

Mémoires du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1999)

Memoirs of the American Entomological Society - American Entomological Society. (American Entomological Society, 1966)

Memoirs of the American Entomological Society - American Entomological Society. (American Entomological Society, 1967)

Memoirs of the American Entomological Society - American Entomological Society. (American Entomological Society, 1970)

Memoirs of the American Entomological Society - American Entomological Society. (American Entomological Society, 1992)

Memoirs of the American Entomological Society - American Entomological Society. (American Entomological Society, 2008)

Memoirs of the Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History - Bernice Pauahi Bishop Museum. ([Bishop Museum Press], 1899)

Memoirs of the California Academy of Sciences - California Academy of Sciences (The Academy, 1868)

Memoirs of the California Academy of Sciences - California Academy of Sciences (The Academy, 1988)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1885)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1913)

Memoirs of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1974)

Memoirs of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1984)

Memoirs of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1989)

Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1874)

Memorias - Academia Nacional de Ciencias Antonio Alzate, Mexico

Memorias de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1887)