A new--years--gift for Protestants [electronic resource] : with the true cause of the diversity of religions. Being a new discovery of the essence and foundation from whence all religions is derived, for the salvation of all mankind through Christ, which from the beginning of the world, was but one and the same that is now, and will be to the end thereof, whereby to lead all into truth and unity of religion without controversie. By a person of quality. Licens'd, Decemb. 20th. 1691