Columbia subject headings:
Bieniak, Janusz.
Nobility--Poland--Genealogy.
Nobility--Poland--Heraldry.
Poland--History--To 1572.
Poland--Social conditions.
Harvard subject headings:
Nobility--Poland--Genealogy
Nobility--Poland--Heraldry
Poland--History--To 1572
Poland--Social conditions
Princeton subject headings:
Nobility--Poland--Genealogy.
Nobility--Poland--Heraldry.
Poland--History--To 1572.
Poland--Social conditions.