Columbia subject headings:
Abortion--Germany--Detmold--History--Exhibitions.
Sewerage--Germany--Detmold--History--Exhibitions.
Toilets--Germany--Detmold--History--Exhibitions.
Harvard subject headings:
Abortion--Germany--Detmold--History--Exhibitions.
Sewerage--Germany--Detmold--History--Exhibitions.
Toilets--Germany--Detmold--History--Exhibitions.
Princeton subject headings:
Abortion--Germany--Detmold--History--Exhibitions.
Sewerage--Germany--Detmold--History--Exhibitions.
Toilets--Germany--Detmold--History--Exhibitions.