Frank Lloyd Wright Drawings: Masterworks fron the Frank Lloyd Wright Archives - House for Edgar and Liliane Kaufmann, "Boulder House" - FLLW Archive Drawing Number 5111.003: Elevations (p. 73)

Drawing Citation

Drawing 003 - Elevation; original study by FLLW
House for Edgar and Liliane Kaufmann, "Boulder House" (is cited in)
Frank Lloyd Wright Drawings: Masterworks fron the Frank Lloyd Wright Archives (published in)