Columbia subject headings:
Jews--Poland--History--16th century.
Judaism--Poland--History--16th century.
Poland--Ethnic relations.
Responsa--1040-1600.
Harvard subject headings:
Jews--Poland--History.
Judaism--Poland--History.
Poland--Ethnic relations
Responsa--1040-1600.
Princeton subject headings:
Jews--Poland--History--16th century.
Judaism--Poland--History--16th century.
Poland--Ethnic relations.
Responsa--1040-1600.