Frank Lloyd Wright; Volume 07: Monograph 1942-1950 - Butterfly Wing Bridge, project - FLLW Archive Drawing Number 4921.017: Elevations (p. 273, fig. 532)

Drawing Citation

Drawing 017 - Sketch plan and elevation by Wright
Butterfly Wing Bridge, project (is cited in)
Frank Lloyd Wright; Volume 07: Monograph 1942-1950 (published in)