Schlesinger, Rudolf B.
The Foundation Press, 1950
Buku Klasik
Schlesinger, Rudolf B.
The Foundation Press, Inc., 1959
Buku Klasik
Schlesinger, Rudolf B.
Stevens & Sons , 1960
Buku Klasik
edited by Rudolf Schlesinger
Foundation Press, 1959
Buku Teks
Oceana Publications, Inc, 1994
Buku Teks