Maryland

Baltimore County Genealogical Society

Baltimore County Historical Society

Carroll County Genealogical Society

Chesapeake Bay Maritime Museum

Harford County Genealogical Society

Historical Society of Carroll County

Historical Society of Frederick County

Historical Society of Harford County

Historical Society of Kent County

Howard County Genealogical Society

Lower Delmarva Genealogical Society

Maryland Historical Society

Edward H. Nabb Research Center for Delmarva History and Culture

St. Mary's County Genealogical Society

Delaware

Delaware Genealogical Society

Historical Society of Delaware

Pennsylvania

Chester County Historical Society

Historical Friends Historical Library of Swarthmore College (Quaker information)

Historical Society of Pennsylvania

Lancaster County Historical Society