Robert Burns, John Gibson Lockhart, James Currie (1835). “The works of Robert Burns: containing his life, by John Lockhart, esq. ; the poetry and correspondence of Dr. Currie's edition ; biographical sketches of the poet by himself, Gilbert Burns, Professor Stewart, and others”, p.141
Pope Francis' address to participants in the Plenary of the Pontifical Council for the Pastoral Care of Migrants and Itinerant People at the Clementine Hall, w2.vatican.va. May 24, 2013.