Wright Studies, Volume Two: Fallingwater and Pittsburgh - Civic Center at Point Park for the Allegheny Conference, project - FLLW Archive Drawing Number 4821.004: Aerial Perspective (p. 87, fig. 4)

Drawing Citation

Drawing 004 - Aerial perspective from the point
Civic Center at Point Park for the Allegheny Conference, project (is cited in)
Wright Studies, Volume Two: Fallingwater and Pittsburgh (published in)