Columbia subject headings:
Harvard subject headings:
Archives--Germany--Westphalia--Congresses.
Taxation--Germany--Westphalia--History--Sources--Congresses.
Taxation--Lists--History--Sources--Congresses.
Westphalia (Germany)--Historiography.
Westphalia (Germany)--History--Sources--Congresses.
Princeton subject headings:
Archives--Germany--Westphalia--Congresses.
Taxation--Germany--Westphalia--History--Sources--Congresses.
Taxation--Lists--History--Sources--Congresses.
Westphalia (Germany)--Historiography.
Westphalia (Germany)--History--Sources--Congresses.