Columbia subject headings:
Hessemer, Friedrich Maximilian, 1800-1860--Exhibitions.
Harvard subject headings:
Hessemer, Friedrich Maximilian, 1800-1860--Exhibitions.
Princeton subject headings:
Architects--Germany--19th century--Exhibitions.
Architecture--Germany--19th century--Exhibitions.
Hessemer, Friedrich Maximilian, 1800-1860--Exhibitions.