Columbia subject headings:
Land tenure--Poland--Wrocław (Voivodeship)--History.
Peasants--Poland--Wrocław (Voivodeship)--History.
Poland--History--To 1572.
Wrocław (Poland : Voivodeship)--Social conditions.
Harvard subject headings:
Land tenure--Poland--Wrocław (Voivodeship)--History.
Peasants--Poland--Wrocław (Voivodeship)--History.
Poland--History--To 1572
Wrocław (Poland : Voivodeship)--Social conditions.
Princeton subject headings:
Land tenure--Poland--Wrocław (Voivodeship)--History.
Peasants--Poland--Wrocław (Voivodeship)--History.
Poland--History--To 1572.
Wrocław (Poland : Voivodeship)--Social conditions.