published by permission of the Righ Hon. the Lords Commissioners of the Admiralty ; chiefly engraved by the late Thomas Jefferys, Geographer to the King, on thirty-seven large copper-plates ; printed and published by Robert Laurie and James Whittle, map, chart & print-sellers
FO - Records created or inherited by the Foreign Office. Division within FO - Records of Embassies, Legations, Consulates, etc. FO 115 - Foreign Office: Embassy and Consulates, United States of America: General Correspondence. Negroes - Panama Canal (FO/115/2619)