Frank Lloyd Wright Drawings: Masterworks fron the Frank Lloyd Wright Archives - House, "Wingspread" for Herbert F. Johnson - FLLW Archive Drawing Number 3703.002: Perspective (p. 46)

Drawing Citation

Drawing 002 - Perspective from children/parent quadrant
House, "Wingspread" for Herbert F. Johnson (is cited in)
Frank Lloyd Wright Drawings: Masterworks fron the Frank Lloyd Wright Archives (published in)