Camparative law : cases-text-materials
edited by Rudolf Schlesinger
Foundation Press, 1959
 Buku Teks
Stone, Richard
Text, Cases and Materials on Contract Law
Routledge, 2017
 Buku Teks
Schlesinger, Rudolf B.
Comparative law cases-text-materials
Stevens & Sons, 1960
 Buku Klasik
Schlesinger, Rudolf B.
Comparative law : cases text materials
Foundation Press, 1959
 Buku Klasik
McKendrick, Ewan
Contract law text, cases and materials
Oxford University Press, 2012
 Buku Teks