Gollomb, Joseph
The Vanguard Press, 1949
Buku Teks
Singer, Kurt D., author
Wilco Publishing House, 2014
Buku Teks
Payne, Robert, author
Thomas Nelson & Sons, 1957
Buku Teks
Schweitzer, Albert, author
New American Library, 1960
Buku Teks
Babel, H.A.
Neuchatel Messeiller 1954
Buku Teks