Polk, J. F., Jr. (2015). Beyond Damned Quarter: The Polk/Pollock family of the Chesapeake Eastern shore in the colonial era. Millsboro, Delaware: Colonial Roots.

Polk, John F., Jr. Beyond Damned Quarter: The Polk/Pollock Family of the Chesapeake Eastern Shore in the Colonial Era. Millsboro, Delaware: Colonial Roots, 2015.

Polk, John F., Jr. Beyond Damned Quarter: The Polk/Pollock Family of the Chesapeake Eastern Shore in the Colonial Era. Millsboro, Delaware: Colonial Roots, 2015.