Hoyt, Robert S., author
Harcourt, Brace & World, 1966
Buku Teks
Painter, Sidney
Alfred A. Knopf, 1961
Buku Teks
Kirchner, Walther
Barnes & Noble. INC, 1968
Buku Teks
Southern, R.W. (Richard William), 1912-2001, author
Cresset Librar, 1967
Buku Teks
Easton, Stewart C., author
Holt, Rinehart and Winston, 1955
Buku Teks