General plan of the Agora in the 2nd century A.D ... Richard C. Anderson ... Scanned. DB: 51 (05/03/2001). Based on PD 2557 (expanded and updated) for J. Kroll Numismatic Volume. Drafting Film Drafting Ink ... 2nd century A.D ... Scanned. DB: 51 (05/03/2001). Based on PD 2557 (expanded and updated) for J.