edited and selected by Benjamin Nelson
George Allen and Unwin, 1958
Buku Teks
Meisel, Perry
Routledge, 2007
Buku Teks
edited by Michael P. Levine
Routledge Press, 2000
Buku Teks
Hollitscher, Walter
Routledge & Kegan Paul, 1950
Buku Teks
Jacobs, Michael
Sage Publications, 2003
Buku Teks