Memoirs of the maritime affairs of Great-Britain, especially in relation to our concerns in the West-Indies : to which is prefix'd, the original letter of the author, to (and by the command of) the Earl of Oxford, when High treasurer of England, in relation to the South-sea company, and the trade they were designed to carry on, in which the consequences of an ill management in that respect are fully laid open, and the true nature of such a commerce explain'd /