No Inv.: 4495/P/00/1c
No Inv.: 1660-1662/S/98/3c
No Inv.: 67790-67798/S/00/9c~77897-77902/S/01/6c
Judul asli :"State of the world 1989"
No Inv.: 90514-90518/P/Perp/04/5c
No Inv.: 102702/S/Perp/05/1c
No Inv.: 103332/S/Perp/05/1c
No Inv.: 106999/S/Perp/06/1c
Bibliografi : hlm. 315-320
No Inv.: 121806/P/Perp/09/1c