Judul asli : "Dasmagnetiche Feild"
Bibliografi : hlm. 409-410
No Inv.: 112376-112380/P/Perp/08/5c
Bibliografi : hlm. 203
Bibliografi : hlm. 249-250
No Inv.: 2004/P/Perp/91/1c
No. Inv. : 146226-146227/P/Perp/15/2c
No. Inv. : 146201-146202/P/Perp/15/2c
No Inv.: 1198-1202/P/Perp/95/5c~296/S/Perp/93/1c