Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1879)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1893)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1895)

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 (Lippincott, 1887)

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 ornithology - Stearns, Winfrid Alden, 1852 -1909 (Printed for theauthor at the Atlantic University Print. Office, 1895)

A manual of ornithology - Stearns, Winfrid Alden, 1852 -1909 (Printed for the author at the Atlanta University Printing Office, 1895)

A manual of Philippine birds - McGregor, Richard C. (Richard Crittenden), 1871 -1936 (Bureau of Printing, 1909)

A manual of Philippine birds - McGregor, Richard C. (Richard Crittenden), 1871 -1936 (Bureau of Printing, 1910)

A manual of the birds of Australia - Iredale, Tom, 1880 -1972 (H.F. & G. Witherby, 1921)

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)

A manual of the ornithology of the United States and of Canada - Nuttall, Thomas, 1786 -1859 (Hilliard and Brown, 1834)

A manual of the vertebrate animals of the northern United States : including the district north and east of the Ozark mountains, south of the Laurentian hills, north of the southern boundary of Virginia, and east of the Missouri river, inclusive of marine species - Jordan, David Starr, 1851 -1931 (A. C. McClurg, 1916)

A manual of the vertebrate animals of the northern United States, including the district north and east of the Ozark mountains, south of the Laurentian hills, north of the southern boundary of Virginia, and east of the Missouri River, inclusive of marine species - Jordan, David Starr, 1851 -1931 (A. C. McClurg and Company, 1899)

A manual of the vertebrate animals of the northern United States, including the district north and east of the Ozark mountains, south of the Laurentian hills, north of the southern boundary of Virginia, and east of the Missouri River, inclusive of marine species - Jordan, David Starr, 1851 -1931 (A.C. McClurg, 1910)

A manual of the vertebrate animals of the northern United States: including the district north and east of the Ozark Mountains, south of the Laurentian Hills, north of the southern boundary of Virginia, and east of the Missouri River inclusive of marine species - Jordan, David Starr, 1851 -1931 (A. C. McClurg, 1899)

A manual of the vertebrate animals of the northern United States, including the district north and east of the Ozark mountains, south of the Laurentian Hills, north of the southern boundary of Virginia, and east of the Missouri River, inclusive of marine species - Jordan, David Starr, 1851 -1931 (McClurg, 1888)

A manual of the vertebrate animals of the northern United States : including the district north and east of the Ozark Mountains, south of the Laurentian Hills, north of the southern boundary of Virginia, and east of the Missouri River, inclusive of marine species - Jordan, David Starr, 1851 -1931 (A.C. McClurg, 1888)

A manual of the vertebrate animals of the northern United States, including the district north and east of the Ozark mountains, south of the Laurentian hills, north of the southern boundary of Virginia, and east of the Missouri river, inclusive of marine species - Jordan, David Starr, 1851 -1931 (A.C. McClurg and company, 1888)

Manual of the vertebrate animals of the northern U.S. ... inclusive of the marine species - Jordan, David Starr, 1851 -1931 (McClurg, 1894)

Manuale di ornitologia italiana; elenco descrittivo degli uccelli stazionari o di passaggio finora osservati in Italia - Arrigoni degli Oddi, Ettore, 1867 -1942 (U. Hoepli, 1904)

Manuale ittiologico del Mediterraneo : ossia sinossi metodica delle varie specie di pesci riscontrate nel Mediterraneo ed in particolare nei mari di Sicilia - Doderlein, Pietro. (Tip. del Giornale di Sicilia, 1879)

Maryland birdlife - Maryland Ornithological Society. (Maryland Ornithological Society, 1996)

Maryland birdlife - Maryland Ornithological Society. (Maryland Ornithological Society, 1998)

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

The Maryland yellowthroat - Maryland Ornithological Society. (The Society, 2017)

Materiali per una malacostatica di terra e di acqua dolce dell'Argentinia meridionale - Strobel, Pellegrino, 1821 -1895 (Biblioteca malacologica, 1874)

The mathematical and other writings of Robert Leslie Ellis - Ellis, Robert Leslie, 1817 -1859 (Deighton, Bell, 1863)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1917)

The Australian Museum Memoir (Australian Museum, 1896)

Mémoires de l'Institut des Sciences et Arts. Sciences math. et phys - Institut de France. (1801)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1977)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1982)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1984)

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

Memoirs of the Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History - Bernice Pauahi Bishop Museum. ([Bishop Museum Press], 1918)

Memoirs of the Carnegie Museum - Carnegie Institute. Board of Trustees. (Published by the authority of the Board of Trustees of the Carnegie Institute, 1902)

Memoirs of the Carnegie Museum - Carnegie Institute. Board of Trustees. (Published by the authority of the Board of Trustees of the Carnegie Institute, 1904)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1884)

Memoirs of the Nuttall Ornithological Club - Nuttall Ornithological Club. (The Club, 1943)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 1972)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 1993)

Memórias do Instituto Butantan - Instituto Butantan (O Instituto, 1949)

Memorias sobre la historia natural de la isla de Cuba, acompañadas de sumarios latinos y extractos en frances - Poey, Felipe, 1799 -1891 (Impr. de Barcina, 1851)

Memorias y revista de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1893)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1836)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1839)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1876)