Systema africanum, or, A treatise discovering the intrigues and arbitrary proceedings of the Guiney Company [electronic resource] : and also how prejudicial they are to the American planters, the woollen, and other English manufactures, to the visible decay of trade ... : together with a true account of their fortifications / humbly submitted to Their Majesties and to the consideration of both houses of Parliament by William Wilkinson, mariner.