Columbia subject headings:
Farm buildings--Germany--Rhineland.
Farmhouses--Germany--Rhineland.
Half-timbered houses--Germany--Rhineland.
Vernacular architecture--Germany--Rhineland.
Harvard subject headings:
Farm buildings--Germany--Rhineland.
Farmhouses--Germany--Rhineland.
Half-timbered houses--Germany--Rhineland.
Vernacular architecture--Germany--Rhineland.
Princeton subject headings: