Columbia subject headings:
Bernhard, Bishop of Hildesheim, -1154.
Church and state--Germany.
German letters--History and criticism.
Germany--History--Henry IV, 1056-1106--Sources.
Hezilo, Bishop of Hildesheim, -1079.
Holy Roman Empire--History--Henry IV, 1056-1106.
Investiture.
Latin letters--History and criticism.
Meinhard II, Imperial Bishop of Würzburg, -1088.
Harvard subject headings:
Bernhard, Bp. of Hildesheim, -1154.
Church and state--Germany
Germany--History--Henry IV, 1056-1106--Sources.
Hezilo, bp. of Hildesheim, -1079.
Holy Roman Empire--History--Henry IV, 1056-1106.
Investiture
Latin letters, Medieval and modern--Germany--History and criticism.
Letter writing, Latin--Germany--History--To 1500.
Meinhard II, imperial bishop of Würzburg, -1088.
Princeton subject headings:
Church and state--Germany.
Germany--History--Henry IV, 1056-1106--Sources.
Holy Roman Empire--History--Henry IV, 1056-1106.
Investiture.
Latin letters--History and criticism.