Columbia subject headings:
Frankfurt am Main (Germany)--Guidebooks.
Historisches Museum Frankfurt am Main--Guidebooks.
Museums--Germany--Frankfurt am Main--Guidebooks.
Harvard subject headings:
Historical museums--Germany--Frankfurt am Main--Exhibitions.
Historical museums--Germany--Frankfurt am Main--Guidebooks.
Historisches Museum Frankfurt am Main--Buildings.
Historisches Museum Frankfurt am Main--Guidebooks.
Princeton subject headings: