Frank Lloyd Wright and Madison: Eight Decades of Artistic - House for Roger Schwenn, project - FLLW Archive Drawing Number 5415.002: Floor Plan (p. 143, fig. 18.7)

Drawing Citation

Drawing 002 - Site and floor plan, second revision, reversed
House for Roger Schwenn, project (is cited in)
Frank Lloyd Wright and Madison: Eight Decades of Artistic (published in)