Pnyx excavation: Aigenetou Street water channel ... H.S. Whipple ... Unpublished. Annotated in pencil. Faint Cartridge Paper Drafting Ink ... 1948 ... Pnyx excavation: Aigenetou Street water channel.
Section Ω. Springhouse and water channel ... D.B ... Dirty Cartridge Paper Drafting Ink ... 1957 ... Springhouse and water channel.
Section Ω. Section of water channel at 55 ΝΣ' ... D.B ... Dirty Cartridge Paper Drafting Ink ... 1957 ... Section of water channel at 55 ΝΣ'
Plan, section, and isometric of north-south Water-channel in section O ... Marian R. Holland ... Dirty Cartridge Paper Drafting Ink ... 1952 ... Plan, section, and isometric of north-south Water-channel in section O.