Sources de la vie spirituelle:
P. Cattin, H. Th,. Conus OP
Sources de la vie spirituelle: documents pontificaux - 2nd ed. - Paris Éditions St. Paul 1958-61
Spiritual life--Catholic authors--Papal documents
Sources de la vie spirituelle: documents pontificaux - 2nd ed. - Paris Éditions St. Paul 1958-61
Spiritual life--Catholic authors--Papal documents