Columbia subject headings:
Architecture, American--History--20th century--Pictorial works--Exhibitions.
Gropius, Ise--Travel--Exhibitions.
Gropius, Walter, 1883-1969--Travel--Exhibitions.
Harvard subject headings:
Gropius, Ilse--Travel--United States--Exhibitions.
Gropius, Ilse--United States--Exhibitions.
Gropius, Walter, 1883-1969--Exhibitions.
Gropius, Walter, 1883-1969--Travel--United States--Exhibitions.
United States--Pictorial works--Exhibitions.
Princeton subject headings:
Architecture, American--20th century--Pictorial works--Exhibitions.
Gropius, Ilse--Travels--Exhibitions.
Gropius, Walter, 1883-1969--Travel--Exhibitions.