Columbia subject headings:
Harvard subject headings:
Mainz (Rhineland-Palatinate, Germany)--History
Nobility--Germany--Mainz (Rhineland-Palatinate)--Genealogy.
Rieneck, Counts of.
Princeton subject headings:
Mainz (Rhineland-Palatinate, Germany)--History.
Nobility--Germany--Mainz (Rhineland-Palatinate).
Rieneck, Counts of.