The secret history of the Calves-Head Club, compleat: or, The republican unmask'd. [electronic resource] : Wherein is fully shewn, the religion of the Calves-Head heroes, in their anniversary thanksgiving-songs on the thirtieth of January, by them called anthems, for the year 1693, 1694, 1695, 1696, 1697, 1698, 1699, &c. With reflections thereupon. Now published to demonstrate the restless, implacable spirit of a certain party still among us, who are never to be satisfy'd, till the present establishment in church and state, is subverted. The sixth edition, with large improvements; and a description of the Calves-Head-Club, curiously engrav'd on a copper plate. To which is annex'd, a vindication of the royal martyr, King Charles the First. Wherein are laid open, the republicans mysteries of rebellion. Written in the time of the usurpation, by the celebrated Mr. Butler, author of Hudibras. With a character of a presbyterian, written by Sir John Denham, knight. And the character of a modern whigh; or, The republican in fashion.