No Inv.: 2587-2588/P/Perp/91/2c~5629-5644/P/Perp/92/15c~12761-12764/P/Perp/94/5c~4661-4665/P/Perp/97/5c~75502-75509/01/9 C.
Judul asli : "Introduction to Political Analysis"
No Inv.: 6318-6327/P/Perp/97/10c~1531-1540/P/Perp/98/10c
Judul asli : "Filosofische Orientatie"
No Inv.: 5261-5252/P/Perp/97/10c~692-696/P/Perp/98/5c~2388/P/Perp/98/1c
Bibliografi: hlm. 115-118No Inv.: 3344-3353/P/Perp/97/10c~75407-75408
No Inv.: 5102-5111/P/Perp/97/10c
Judul asli : "Scientific Knowledge and Philosophic Thought"
No Inv.: 617-626/P/Perp/98/10c
No Inv.: 5092-5096/P/Perp/99/5c~117950-117952/P/Perp/09/3c