Columbia subject headings:
Architecture, Domestic--Colorado--Colorado Springs.
Architecture, Modern--20th century.
Ingraham and Ingraham.
Usonian houses--Colorado--Colorado Springs.
Harvard subject headings:
Architects--United States
Architectural firms--United States.
Architecture, Domestic--Colorado--Colorado Springs.
Ingraham and Ingraham (Firm)
Ingraham, Elizbeth Wright.
Ingraham, Gordon.
Nineteen fifties.
Usonian houses--Colorado--Colorado Springs.
Wright, Frank Lloyd, 1867-1959.
Princeton subject headings: