A map of New Sweden (1638-1655) from an article by Gregory Keen (1878) showing Cape May and Cape Henlopen, the Delaware Bay and the Delaware River (New Sweden River) north to Trenton, New Jersey, including Philadelphia and Bristol. The map shows boundaries of the Swedish land claims, the Dutch settlements and forts, Swedish settlements, rivers and tributaries. The map gives both original names and current names for many settlements, with dates of establishment.