Bibliografi : hlm. 434-438
No Inv.: 8105-8109/P/Perp/92/5c~1431-1440/P/Perp/98/10c~78056/S/01/1c~117559-117561/P/Perp/09/3c
Judul asli : "Set Theory and Related Topics"
Judul asli : "Introduction to Political Analysis"
No Inv.: 6318-6327/P/Perp/97/10c~1531-1540/P/Perp/98/10c
Judul asli : "Advice to a Young Scientist"
No Inv.: 1952-1961/P/Perp/97/10c
No Inv.: 1272-1281/P/Perp/97/10c
No Inv.: 1162-1171/P/Perp/97/10c
No Inv.: 211-220/P/Perp/97/10c