Plan of Geometric grave. Grave 1 ... Piet de Jong ... For available drawing of this series (E 19:3) see Ptg. 220. 81-249 81-249 Dirty Cartridge Paper Drafting Ink ... 12/05/1939
Plan of Grave XVIII ... Piet de Jong ... XI-66 XI-66 Fragile Cartridge Paper Drafting Ink
Plan of Graves XI and XXII ... Piet de Jong ... 5-281a 5-281a Dirty Cartridge Paper Drafting Ink
Plan of Grave XVII ... John Travlos ... Grave number 16 in notebook. 5-138 5-285 5-138 5-285 Dirty Cartridge Paper Drafting Ink
Plan of Grave XXIV-XXV ... Piet de Jong ... XI-69 XI-69 Dirty Cartridge Paper Drafting Ink
Plan of Grave XIV ... Piet de Jong ... XI-67 XI-67 Dirty Cartridge Paper Drafting Ink
Plan of Grave XXI ... Piet de Jong ... XI-68 XI-68 Fragile Cartridge Paper Drafting Ink
Plan of Grave XX ... Piet de Jong ... XI-65 XI-65 Dirty Cartridge Paper Drafting Ink