Gray, Richard, 1944-, author
John Wiley & Sons, 2015
Buku Teks
edited by Howard Nemerov
Voice of America Forum Lectures, 1973
Buku Teks
Gray, Richard, 1944-, author
Longman, 1991
Buku Teks
Bogan, Louise, author
Henry Regnery, 1951
Buku Teks
edited by Donald M. Allen
Grove Press, 1960
Buku Teks