Wilding, Michael, author
Penguin Books, 1985
Buku Teks
Artikel Jurnal
edited by Milton Crane
Bantam Classic, 2005
Buku Teks
The Moltan Press, 1998
Buku Teks
Gor`kiy, Aleksey Maksimovich, author
[publisher not identified], [date of publication not identified]
Buku Teks