Columbia subject headings:
Abbeys--Germany--Essen--History--Sources.
Stift Essen--History--Sources.
Harvard subject headings:
Abbeys--Germany--Essen--History--Sources.
Church history--Middle Ages, 600-1500
Convents--Germany--Essen--History--Sources.
Essen (Germany)--Church history.
Manuscripts, Latin (Medieval and modern)--Germany--Essen--History.
Monasticism and religious orders for women--Germany--Essen--History--Middle Ages, 600-1500.
Stift Essen--Archives.
Stift Essen--History--Sources.
Princeton subject headings:
Abbeys--Germany--Essen--History--Sources.
Church history--Middle Ages, 600-1500.
Convents--Germany--Essen--History--Sources.
Essen (Germany)--Church history.
Manuscripts, Latin (Medieval and modern)--Germany--Essen--History.
Monasticism and religious orders for women--Germany--Essen--History--Middle Ages, 600-1500.
Stift Essen--Archives.
Stift Essen--History--Sources.