Dualitas, or, A two-fold subject displayed and opened conducible to godliness and peace in order, I. Lex loquens, the honour and dignity of magistracy with the duties thereupon depending and reverence thereunto due, II. Duorum unitas, the agreement of magistracy and ministry, at the election of the honourable magistrates of Edinburgh and the opening of a diocesan synod of the reverend clergy there / by Will. Annand.