A vindication of the doctrine contained in Pope Benedict XII, his bull : and in the General Council of Florence, under Eugenius the III concerning the state of departed souls : in answer to a certain letter, printed and published against it, by an unknown author, under this title, A letter in answer to the late dispensers of Pope Benedict XII, his bull, &c., wherein the progress of Master Whites lately minted Purgatory is laid open and its grounds examined ... /