Columbia subject headings:
Harvard subject headings:
Darmstadt (Germany)--Social conditions.
Education, Preschool--Germany--Darmstadt--History--19th century.
Inner missions--Germany--Darmstadt--History--19th century.
Princeton subject headings:
Child welfare--Germany--Darmstadt--History--19th century.
Children with social disabilities--Education--Germany--Darmstadt--History--19th century.
Darmstadt (Germany)--Social conditions--19th century.
Social work with children--Germany--Darmstadt--History--19th century.