Actual state plan of the Heliaia. (revised 1990) ... J. Travlos R.C. Anderson ... PD 1299 Horizontal (normal) ... 1960
Heliaia after Hellenistic remodelling ... J. Travlos ... PD 1301 Horizontal (normal) ... 1964
Plan and elevations of the Heliaia ... J. Travlos ... PD 1960 ... 1967
Plan and elevations of the Heliaia ... John Travlos ... Dirty Faded Heavy Tracing Paper Pencil ... 1967
