Frank Lloyd Wright; Volume 11: Preliminary Studies 1933-1959 - House, "Wingspread" for Herbert F. Johnson - FLLW Archive Drawing Number 3703.029: Perspective (p. 72, fig. 109)

Drawing Citation

Drawing 029 - Perspective from below of parent/children quadrant, early study
House, "Wingspread" for Herbert F. Johnson (is cited in)
Frank Lloyd Wright; Volume 11: Preliminary Studies 1933-1959 (published in)