Frank Lloyd Wright and Madison: Eight Decades of Artistic - House for Roger Schwenn, project - FLLW Archive Drawing Number 5415.001: Floor Plan (p. 143, fig. 18.6)

Drawing Citation

Drawing 001 - Site and floor plan and two elevations, first revisions (a)
House for Roger Schwenn, project (is cited in)
Frank Lloyd Wright and Madison: Eight Decades of Artistic (published in)