Īmēra pūkete: David Brooke, William Mackenzie. International Railway Builder and Civil Engineer. Londres, The Newcomen Society, 2004, 200 p. ISBN : 0-904685-14-4. 28,50 livres sterling.David Brooke (ed.), The Diary of William Mackenzie, the First International Railway Contractor, Londres, Thomas Telford, 2000, 610 p. ISBN : 0-7277-2830-X. 29,95 livres sterling.