Columbia subject headings:
Germans--Danube River Valley--History--Exhibitions.
Swabians--Danube River Valley--History--Exhibitions.
Harvard subject headings:
Germans--Danube River Valley--History--Exhibitions.
Swabians--Danube River Valley--History--Exhibitions.
Princeton subject headings:
Danube River Valley--History--Exhibitions.
Germans--Danube River Valley--History--Exhibitions.
Swabians--Danube River Valley--History--Exhibitions.