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.216
"Michael B. Jordan Talks FRUITVALE, Spending Time with the Real Oscar Grant, and ARE WE OFFICIALLY DATING? at Sundance 2013". Interview with Samantha Cheirif, collider.com. January 21, 2013.