Columbia subject headings:
Art thefts--Europe--Exhibitions.
Art--Provenance--Research--Exhibitions.
Cultural property--Repatriation--Europe--Exhibitions.
Germany--Cultural policy.
National socialism and art--Exhibitions.
Harvard subject headings:
Art thefts--Europe--Exhibitions.
Art--Provenance--Research--Exhibitions.
Cultural property--Repatriation--Europe--Exhibitions.
Germany--Cultural policy.
National socialism and art--Exhibitions.
Princeton subject headings: