Pipe from drain of Building F ... John Travlos ... XVII-3 XVII-3 Dirty Cartridge Paper Drafting Ink ... 1936 ... Hesperia Suppl. 4 (1940), p. 24, fig. 18.
Terracotta pipe from original drain of Tholos (A 1039) ... John Travlos ... XVII-1 XVII-1 Dirty Cartridge Paper Drafting Ink ... 1939 ... XVII-1 ... XVII-1