No Inv.: 163/PSM/Perp/98/1c
No Inv.: 1188/S/Perp/98/1c
No Inv.: 11426/P/Perp/98/1c
No Inv.: 3075/P/Perp/98/1c
No Inv.: 406/P/Perp/98/1c
Judul asli : "Clipper Developer`s Library"
Judul asli : "Inleiding tot de Wetenschapsleer"
No Inv.: 194/PSM/Perp/98/1c
No Inv.: 3780-3781/P/Perp/98/2c
No Inv.: 12252/P/Perp/98/1c