Columbia subject headings:
Architecture--Germany--Giessen.
Giessen (Hesse, Germany)--Buildings, structures, etc.
Giessen (Hesse, Germany)--Description and travel.
Historic buildings--Germany--Giessen.
Harvard subject headings:
Architecture--Germany--Giessen (Hesse)--Guidebooks.
Historic buildings--Germany--Giessen (Hesse)--Guidebooks.
Monuments--Germany--Giessen (Hesse)--Guidebooks.
Princeton subject headings:
Architecture--Germany--Giessen (Hesse).
Giessen (Hesse, Germany)--Buildings, structures, etc.
Historic buildings--Germany--Giessen (Hesse).