This historical old map of Lower Heidelberg and South Heidelberg was reproduced from the Illustrated Historical Atlas of Berks County, Pennsylvania (PA), compiled and drawn from Personal Examinations, Surveys & Under the Personal Supervision of F.A. Davis, and published under the Superintendence of H. L. Kochersperger by the Reading Publishing House, A. M. Davis, Successor to F. A. Davis & Co., 1876.