Columbia subject headings:
Harvard subject headings:
Hesse (Germany)--History.
Princeton subject headings:
Aristocracy (Social class)--Germany--Sources--Exhibitions.
Blankenburg (Magdeburg, Germany)--Charters, grants, privileges--Exhibitions.
Germany--History--1517-1648--Maps--Exhibitions.
Germany--History--1517-1648--Sources--Exhibitions.
Hesse (Germany)--History.
Maps.
Regenstein, Johann Ernst, Graf von, 1596-1599--Exhibitions.