Costa, H. de la
Asia and the Philippines / H. de la Costa
Solidaridad Publishing House, 1967
 Buku Teks
Davies, Howard
Jurisprudence texts and commentary
Butterworth, 1991
 Buku Teks
Holdcroft, David
Jurisprudence texts and commentary
Butterworth, 1991
 Buku Teks
Trends in non-crystalline solids, Matalascafias ( Costa de la Luz), Spain 5-8 November 1991
edited by A. Conde
World Scientific , 1992
 Buku Teks SO
Medieval philosophy : essential readings with commentary
Gyula Klima, Fritz Allhoff, Anand Vaidya
BlackWell Publishing, 2007
 Buku Teks