Cruz, Oscar V., Annotations on Rotal Jurisprudence on Canon 1097 CIC, Canon 1098 CIC, Canon 1102 CIC. Annotations on Rotal Jurisprudence on Canon 1101 CIC., Dagupan City 2001; Cruz, Oscar V., Evidence on marriage nullity cases, Dagupan 2002: [Rezension] - Naron, Maximino A. (Philippine canonical forum, 2002)