Folder includes a notebook associated with Nelson F. Davis, the "Birds of Lewisburg abd Central Pennsylvania," December 1918; Check-list of Brids occurinig at Lewisburg, Penna: Records made from 1892 - 1922; Records of Bird Migration for the Lewisburg Region, March 1921; The Bird Population of Lewisburg, PA., Compared with that of Washington, D.C. and Rochester, NY., 1940; The Birds of the Lewisburg Region, 1940.