Forschungsliteratur
zu deutschsprachigen Handschriften des Mittelalters
Anneke B. Mulder-Bakker, The Dedicated Spiritual Life of Upper Rhine Noble Women. A Study and Translation of a Fourteenth-Century Spiritual Biography of Gertrude Rickeldey of Ortenberg and Heilke of Staufenberg (Sanctimoniales 2), Turnhout 2017.