Virginias Lenormant Street Excavations. Plans of graves; series 1-11 ... Piet de Jong ... Stained Dirty Cartridge Paper Drafting Ink ... 1936 ... PD 1092-6 (DA 993) ... PD 1092-6
Geometric pyxis ... Piet de Jong ... Cf. Hesperia Suppl. 2 (1939), p. 80, fig. 54. Fragile Watercolor Paper Watercolor ... Piet de Jong