Mariental Abbey (German: Kloster Mariental), in the present-day municipality of Mariental in Lower Saxony, Germany, is a former Cistercian monastery founded
Holle-Wüsting – St. Dionysius Kirche "Evangelisch-lutherische Kirchengemeinde Hude". Archived from the original on 2018-02-19. Retrieved 2018-06-01. "St.-Ansgari-Kirche"
Himmelpforten Convent (Low Saxon: Klooster Hemelpoorten, German: Kloster Himmelpforten; Latin: Conventus Porta Coeli) was founded as a monastery of nuns
Annales Boiorum. Mit Nachtrag. Leipzig 1710; Annales Fuldenses, Chronik des Klosters Fulda. Bei Marquard Freher: Germanicarum rerum scriptores etc. Frankfurt