Laing, David. “Letter and Report Respecting the Unpublished Commentary on Milton’s Paradise Lost, by the Late John Callander, of Craigforth, Esq., in the Possession of the Society”. Archaeologia Scotica 3 (November 30, 1832): 83-91. Accessed March 29, 2024. http://journals.socantscot.org/index.php/arch-scot/article/view/218.