Personalist morals : essays in honor of professor Louis Janssens / - Böckle, Franz; Burggraeve, Roger; De Clercq, Julianus Josephus Maria Achileus; Ghoos, Jozef; Häring, Bernhard; Jans, Jan.; Janssens, Lodewijk; Kelly, David F.; Knauer, Peter; Maertens, Guido; Mahony, Jack; McCormick, Richard A.; et al. (University Press, 1988)