Concelebration : a historical synopsis and canonical commentary / Harmon Daniel Skillin. - Skillin, Harmon Daniel. (OLS)http://pul/name/107441; Catholic University of America. Tesi. (OLS)http://pul/name/106692 (The Catholic University of America, 1966)
Tesi : The Catholic University of America. Canon Law Studies. 1966.
Bibliografia in nota a piè pagina.