Columbia subject headings:
Bernhard, Prince-Bishop of Münster, 1606-1678.
Münster in Westfalen (Germany)--History--Sources.
Harvard subject headings:
Bernhard, Prince-Bishop of Münster, 1606-1678.
Münster in Westfalen (Germany)--History--Sources.
Münster (Germany)--History--Sources.
Princeton subject headings:
Bernhard, Prince-Bishop of Münster, 1606-1678.
Westphalia (Germany)--Foreign relations--Sources.