No Inv.: 1478-1480/P/Perp/95/3c~2001/P/Perp/92/1c~2585-2586/Perp/85/2c~100829/P/Perp/05/1c
No Inv.: 1062-1063/P/Perp/96/2c
Judul asli : "Finite Mathematics"
No Inv.: 988-989/BD/Perp/86/2c
No Inv.: 990-991/BD/Perp/86/2c~6363/Perp/86/1c
No Inv.: 711/P/Perp/97/1c
No Inv.: 67078-67079/P/00/2c
Diatas Judul :"The Millennium Library"
No Inv.: 66981/S/00/1c
No Inv.: 88177-88180/P/Perp/04/4c