Sheafer, P. W. 1. (1873). A historical map of Pennsylvania showing the original indian purchases name and date of county organizations, county towns, old settlements; indian names of streams; location of old forts, battle fields. Pottsville, Pa.: Historical Society of Pennsylvania : American Philosophical Society : Academy of Natural Sciences.

Sheafer, P. W. 1819-. A Historical Map of Pennsylvania Showing the Original Indian Purchases Name and Date of County Organizations, County Towns, Old Settlements; Indian Names of Streams; Location of Old Forts, Battle Fields. Pottsville, Pa.: Historical Society of Pennsylvania : American Philosophical Society : Academy of Natural Sciences, 1873.

Sheafer, P. W. 1819-. A Historical Map of Pennsylvania Showing the Original Indian Purchases Name and Date of County Organizations, County Towns, Old Settlements; Indian Names of Streams; Location of Old Forts, Battle Fields. Pottsville, Pa.: Historical Society of Pennsylvania : American Philosophical Society : Academy of Natural Sciences, 1873.