Columbia subject headings:
Charles V, Holy Roman Emperor, 1500-1558.
Deutsche Reichstagsakten.
Frederick III, Elector of Saxony, 1463-1525.
Holy Roman Empire--History--1517-1648.
Holy Roman Empire--History--To 1517.
Holy Roman Empire. Reichstag--History.
Netherlands--History--Eighty Years' War, 1568-1648.
Harvard subject headings:
Holy Roman Empire--History--1273-1517--Congresses.
Holy Roman Empire--History--1273-1517--Sources--Congresses.
Holy Roman Empire--History--1517-1648--Congresses.
Holy Roman Empire--History--1517-1648--Sources--Congresses.
Holy Roman Empire. Reichstag--History--Congresses.
Holy Roman Empire. Reichstag--History--Sources--Congresses.
Princeton subject headings:
Charles V, Holy Roman Emperor, 1500-1558.
Deutsche Reichstagsakten.
Frederick III, Elector of Saxony, 1463-1525.
Holy Roman Empire--History--1517-1648.
Holy Roman Empire--History--To 1517.
Holy Roman Empire. Reichstag--History.
Netherlands--History--Eighty Years' War, 1568-1648.