Perspective of the Klepsydra for Agora Guide ... John Travlos ... 83-217 83-217 ... 1961
Actual state plan of the Heliaia ... John Travlos Richard C. Anderson ... Scanned. DB: 21 (05/03/2001). Revised 1990. VI-29 VI-29 ... 1960
Actual state plan of the Heliaia ... John Travlos Richard C. Anderson ... Scanned. DB: 21 (05/03/2001). Revised 1990. VI-29 VI-29 Dirty Heavy Tracing Paper Pencil ... 1960