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Die Lebensweise der Vögel - Rennie, James, 1787 -1867 (Baumgärtner, 1835)

Life histories of Central American highland birds - Skutch, Alexander F. (Alexander Frank), 1904 -2004 (The Club, 1967)

Life histories of North American birds, from the parrots to the grackles, with special reference to their breeding habits and eggs - Bendire, Charles, 1836 -1897 (Smithsonian Institution, 1895)

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Life zones and crop zones of New Mexico - Bailey, Vernon, 1864 -1942 (G.P.O, 1913)

A List of birds' eggs in the collection of Mr. William Stoate, Wembdon, Bridgewater - Stoate, William. (1880)

List of birds in vicinity of Fishkill-on-Hudson, N.Y - Stearns, Winfrid Alden, 1852 -1909 (Privately Printed, 1880)

A list of the birds of Buffalo and vicinity - Bergtold, W. H. (William Harry), 1865 -1956 (1889)

A list of the birds of eastern North America - Cory, Charles B. (Charles Barney), 1857 -1921 (For sale by B. Whidden, 1896)

A list of the birds of Florida - Cory, Charles B. (Charles Barney), 1857 -1921 (For sale by B. Whidden, 1896)

A list of the birds of Hudson highlands : with annotations - Essex Institute. (s.n.], 1878)

A list of the birds of Maine, showing their distribution by counties and their status in each county - Knight, Ora Willis, 1874 -1913 (Kennebec journal print, 1897)

List of the birds of Nelson County - Beckham, Charles Wickliffe. (John D. Woods, 1885)

A list of the birds of New England - Coues, Elliott, 1842 -1899 (Essex Institute Press, 1868)

A list of the birds of New Hampshire - Allen, Glover M. (Glover Morrill), 1879 -1942 (Nature Study press, 1903)

A list of the birds of New Hampshire - Allen, Glover M. (Glover Morrill), 1879 -1942 (Nature press, 1903)

A list of the birds of the West Indies, including the Bahama Islands, and the Greater and Lesser Antilles, excepting the islands of Tobago and Trinidad - Cory, Charles B. (Charles Barney), 1857 -1921 (Estes & Lauriat, 1886)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1963)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1965)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1966)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1976)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1980)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1984)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1988)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1990)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1991)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1993)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1994)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1995)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1996)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1997)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1998)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1999)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 2002)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 2003)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 2005)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2009)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2014)

Magyarország természettudományi és mathematikai könyvészete, 1472-1875 - Magyar Természettudományi Társulat. (Athenaeum R.T. Könyvnyomdája, 1878)

Mammals of Mount Mazama, Oregon - Merriam, C. Hart (Clinton Hart), 1855 -1942 (1897)

Mammals of the Mexican boundary of the United States. A descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees - Mearns, Edgar Alexander, 1856 -1916 (Govt. print. off, 1907)

Management of wildlife and fish habitats in forests of western Oregon and Washington - United States. Bureau of Land Management. Desert Planning Staff - (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1985)

Manitoba and the great North-west : the field for investment, the home of the emigrant : being a full and complete history of the country - Macoun, John, 1831 -1920 (World Pub. Co, 1882)

Manitoba and the great North-West the field for investment; the home of the emigrant, being a full and complete history of the country - Macoun, John, 1831 -1920 (World Pub. Co, 1882)

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)