Publication [Chastity and healing power]. Kudlien F. Clio medica (Amsterdam, Netherlands). 1984; 19 (1-2) : 94-110.
Publication [Medieval Melaten Leprosarium near Aachen in the Lüttich diocese (1230-1550)]. Schmitz-Cliever E. Clio medica (Amsterdam, Netherlands). 1972; 7 (1) : 13-34.