Robert Murray M'Cheyne (1847). “The Works of the Late Rev. Robert Murray McCheyne: Containing His Life and Remains, Letters, Lectures, Songs of Zion, &c”, p.68
William Cowper, James Thomson (1832). “The Works of Cowper and Thompson: Including Many Letters and Poems Never Before Published in this Country. With a New and Interesting Memoir of the Life of Thomson”, p.94