The land and sea mammals of Middle America and the West Indies - Elliot, Daniel Giraud, 1835 -1915 (Field Columbian Museum, 1904)

The land of the blue poppy: travels of a naturalist in eastern Tibet - Kingdon-Ward, F.‏ ‎ (Francis),‏ ‎ 1885 -1958 (University Press, 1913)

The large larch sawfly (Nematus erichsonii) with an account of its parasites, other natural enemies and means of control - Dominion Experimental Farms; Stations (Canada) (Govt. Print. Bureau, 1912)

Laurence M. Huey Field Notes, 1916-1954 - Huey, Laurence M. (Laurence Markham), 1892 -1963 (San Diego Natural History Museum Research Library, 1916)

Lebensbilder aus der Tierwelt - Meerwarth, Hermann, 1870 - (Voigtländer, 1909)

Lebensbilder aus der Tierwelt - Meerwarth, Hermann, 1870 - (Voigtländer, 1912)

Lehrbuch der Naturgeschichte - Perleb, Karl Julius, 1794 -1845 (Friedrich Wagner, 1831)

Lehrbuch der Protozoenkunde; eine Darstellung der Naturgeschichte der Protozoen mit besonderer Berücksichtigung der parasitischen und pathogenen Formen - Doflein, Franz, 1873 -1924 (G. Fischer, 1916)

Liangqi baxing dongwu yanjiu = Acta herpetologica Sinica - Chengdu Sheng wu yan jiu suo. (Zhongguo ke xue yuan Zhengdu sheng su yan jiu suo, 1982)

Life histories of North American gulls and terns : order Longipennes - Smithsonian Institution (Govt. Print. Off, 1921)

Life-histories of northern animals : an account of the mammals of Manitoba - Seton, Ernest Thompson, 1860 -1946 (Scribner, 1909)

Life-histories of northern animals an account of the mammals of Manitoba - Seton, Ernest Thompson, 1860 -1946 (C. Scribner's Sons, 1909)

The life of animals; the mammals - Ingersoll, Ernest, 1852 -1946 (The Macmillan Company, 1906)

The life of mammals - Ingersoll, Ernest, 1852 -1946 (Macmillan, 1917)

The life of the Pleistocene or glacial period, as recorded in the deposits laid down by the greatice sheets - Baker, Frank Collins, 1867 -1942 (Pub. by the University of Illinois under the auspices of the Graduate School, 1920)

The life of vertebrates - Young, J. Z. (John Zachary), 1907 -1997 (Oxford University Press, 1962)

Life, outlines of general bioloy - Thomson, J. Arthur (John Arthur), 1861 -1933 (Harper, 1900)

Life zone investigations in Wyoming - United States. Bureau of Biological Survey. (Government Printing Office, 1917)

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

A list of literature pertaining to wildlife research and management in Montana - Mackie, Richard J. (Richard John), 1933 - (Research Section, Game Management Division, Montana Fish and Game Dept, 1966)