Columbia subject headings:
Harvard subject headings:
Courthouses--Jülich-Cleve-Berg--History--Sources.
Jülich-Cleve-Berg--Court and courtiers--Sources.
Jülich-Cleve-Berg--History, Military--Sources.
Jülich-Cleve-Berg--Politics and government--16th century--Sources.
Jülich-Cleve-Berg--Politics and government--17th century--Sources.
Princeton subject headings:
Jülich-Berg--Court and courtiers--History--Sources.
Jülich-Cleve-Berg--Court and courtiers--History--Sources.
Royal households--Jülich-Berg.
Royal households--Jülich-Cleve-Berg.