No Inv.: 89/P/99/1c
No Inv.: 3080-3081/P/99/2c
No Inv.: 3947/P/Perp/99/c1
No Inv.: 129-130/S/99/2c
Judul asli : "You Can Teach Your Child About Numbers"
No Inv.: 67050/P/00/1c
No Inv.: 59222-59223,67473-67474/P/00/4c
No Inv.: 67116/P/00/1c
No Inv.: 5160-5161/P/00/2c
No Inv.: 67594-67598/S/00/5c