No Inv.: 425/P/Perp/98/1c
No Inv.: 965-966/P/Perp/99/2c
Judul asli edisi Jerman : "Schule des Sehens"
No Inv.: 79208/01/1c
No Inv.: 80327-80329/S/02/3c
No Inv.: 90039/S/Perp/04/1c
No Inv.: 109412/S/Perp/07/1c
No Inv.: 105735-105739/P/Perp/06/5c
No Inv.: 937-941/P/Perp/94/5c~1030/P/Perp/99/1c
No Inv.: 9236-9245/P/Perp/97/10c