Chesterton, G. K. (Gilbert Keith), 1874-1936, author
Chatto , 1951
Buku Teks
Hollander, Barnett, author
Bowes & Bowes, 1965
Buku Teks
Slapper, Gary, author
Cavendish Publishing, 1999
Buku Teks
Backman, Jules
The Brookings Institution, 1943
Buku Teks
editor, Daniel Greenberg
Sweet & Maxwell, 2017
Buku Teks