O'Brien, Mary, Judith, R.S.M..
Conferences of Major Superiors: Nature and Purposes:Excepta ex dissertatione ad Doctoratum in Facultate Iuris Canonici Pontificiae Universitatis Gregorianae /

. - Roma : 1994 
. - 260  p.  24 cm. 
 - ((Pontificia Universitas Gregoriana; Facultas Iuris Cano )