Aron, Raymond, author
Doubleday and Company, Inc., 1954
Buku Teks
Conrad, Peter, author
Thames and Hudson, 1998
Buku Referensi
edited by Mark Willhardt, Alan Michael Parker
Roudledge , 2000
Buku Referensi
edited by Stanley J. Kunitz and Howard Haycraft
H.W. Wilson, 1950
Buku Referensi
edited by Stanley J. Kunitz and Vineta Colby
H.W. Wilson, 1963
Buku Referensi