No Inv.: 132835/SM/Perp/12/1c
No Inv.: 128205/SM/Perp/10/1c
Bibliografi : hlm. 227-231 No Inv.: 3981-3984/P/Perp/98/4c~87471-87480/P/Perp/04/10c~89358/PSM/Perp/08/1c~127367-127371/P/Perp/10/5c
No Inv.: 113685-113689/p/pERP/08/5C
No Inv.: 75781/01/1c~125860-125864/P/Perp/10/5c~128829/PSM/Perp/10/1c
No Inv.: 7201-7210/P/Perp/97/10c
No Inv.: 461/S/00/1c~120283-120285/P/Perp/09/3c
Judul asli : "Inleiding tot de Wetenschapsleer"
No Inv.: 4507-4511/P/Perp/99/5c~4849-4858/P/00/10c~119092-119094/P/Perp/09/3c
No Inv.: 5616-5620/P/99/5c~117262-117264/P/Perp/09/3c~128968/PH/Perp/10/1c