Columbia subject headings:
Harvard subject headings:
Aristocracy (Social class)--Germany--Mecklenburg (Region)--History--To 1500.
Germany--History--1273-1517
Nobility--Germany--Mecklenburg (Region)--History--To 1500.
Social groups--Germany--Mecklenburg (Region)--History--To 1500.
Upper class families--Germany--Mecklenburg (Region)--History--To 1500.
Princeton subject headings:
Aristocracy (Social class)--Germany--Mecklenburg (Region)--History--To 1500.
Germany--History--1273-1517.
Nobility--Germany--Mecklenburg (Region)--History--To 1500.
Social groups--Germany--Mecklenburg (Region)--History--To 1500.
Upper class families--Germany--Mecklenburg (Region)--History--To 1500.