Section of a neolithic shaft grave ... Piet de Jong ... PD 426 is upper illustration in publication. Print published in Agora XIII, pl. 78, stored in 4-1. 5-283 5-283 Dirty Diazotype Printing Ink
Isometric drawing of the Great Drain west of Eponymous Heroes ... W.B. Dinsmoor, Jr ... 87-533 87-533 Dirty Heavy Tracing Paper Drafting Ink ... 1974
Isometric drawing of the Great Drain west of Eponymous Heroes ... W.B. Dinsmoor, Jr ... 87-533 87-533 ... 1974
Plan of Neolithic shaft grave ... Piet de Jong ... PD 427 is lower illustration in publication. 5-283 5-283 Dirty Cartridge Paper Drafting Ink