Conférence épiscopale allemande
Delp's name was included among the almost other 900 Catholics in a list of people having suffered a violent death for adherence to the Christian faith, published in 1999 as "Zeugen für Christus. Das deutsche Martyrologium des 20. Jahrhunderts" ("Witnesses for Christ. The German Martyrology of the 20th century"), prepared by Mgr Helmut Moll under the auspices of the German Bishops' Conference.