De verhouding tussen Kerk en Staat volgens Christianus Lupus - Baekelandt, Marianus. (Sylloge excerptorum e dissertationibus ad gradum doctoris in sacra theologia vel in iure canonico consequendum conscriptis., 1953)
In : Sylloge Excerptorum e dissertationibus ad gradum doctoris in sacra theologia vel in Iure canonico consequendum conscriptis, Tomus XXV, fasc. 5.
Extrait de "Augustiniana", dl. III, afl. 1-2, 1953