Schlesinger, Rudolf B.
Comparative law : cases text materials
Foundation Press, 1959
 Buku Klasik
Camparative law : cases-text-materials
edited by Rudolf Schlesinger
Foundation Press, 1959
 Buku Teks SO
Zweigert, Konrad
An introduction to comparative law
North-Holland, 1977
 Buku Teks
Jones, Harry W.
Legal method cases and text materials
The Foundation Press, 1980
 Buku Teks SO
Zweigert, Konrad
Introduction to comparative law
Clarendon Press, 1998
 Buku Teks SO