Hillyer, Robert
Alfred A. Knopf, 1961
Buku Teks
edited by Howard Nemerov
Voice of America Forum Lectures, 1973
Buku Teks
Stageberg, Norman C.
American Book Company, 1952
Buku Teks
Fuller, R. Buckminster, author
Macmillan, 1976
Buku Teks
Robinson, Edwin Arlington, 1869-1935
Collier Books, 1966
Buku Teks