Columbia subject headings:
Architects--United States--Correspondence.
Los Angeles (Calif.)--Description and travel.
Neutra, Richard Joseph, 1892-1970.
Schindler, R. M. (Rudolph M.), 1887-1953.
Sullivan, Louis H., 1856-1924.
Harvard subject headings:
Architects--United States
Architects--United States--Correspondence.
Architecture--United States--History--20th century
Architecture--United States--History--20th century.
Neutra, Richard Joseph, 1892-1970
Schindler, R. M. (Rudolph M.), 1887-1953
Sullivan, Louis H., 1856-1924.
Princeton subject headings:
Architects--United States--Correspondence.
Architecture--United States--History--20th century.
Neutra, Richard Joseph, 1892-1970--Correspondence.
Schindler, R. M. (Rudolph M.), 1887-1953--Correspondence.
Sullivan, Louis Henry, 1856-1924--Correspondence.