Plan of the altar of the temple of Apollo at Didyma ... Neg. XLVIII-51 contains both PD 291-a and PD 291-b. XLVIII-51 XLVIII-51 Dirty Cartridge Paper Drafting Ink
Plan of the Ara Pacis ... Neg. XLVIII-51 contains both PD 291-a and PD 291-b. XLVIII-51 XLVIII-51 Dirty Cartridge Paper Drafting Ink