Middleton, Thomas. ‘Appendix to the History [of John Spottiswoode, Archbishop of Saint Andrews] of the Church of Scotland’ (London, 1677).
The main printed works from which extracts have been taken are:
Pennant, Thomas. ‘Tour in Scotland 1769’ (Chester, 1771);
Pennant, Thomas. ‘Tour in Scotland 1772’ (London, 1774-1776);
Nicolson, William. ‘Scottish Historical Library’ (London, 1702).