History of Delaware County Pennsylvania Author:George Smith Subtitle: From the Discovery of the Territory Included Within Its Limit to the Present Time, With a Notice of the Geology of the County, and Catalogues of Its Minerals, Plants, Quadrupeds, and Birds, Written Under the Direction and Appointment of the Delaware County Institute of Science General Books publication date: 2009 Original publication... more » date: 1862 Original Publisher: Printed by H.B. Ashmead Subjects: Natural history Delaware County (Pa.) Delaware Co., Pa Delaware county, Pa Slaves Delaware County, (Pa.) Delaware co., Pa History / United States / State« less