Bibliografi : hlm. 149-150No Inv.: 139004-139008/P/Perp/14/5c
No Inv.: 9697-9701/P/Perp/97/5c~110130/S/Perp/07/1c~112225-112229/P/Perp/08/5c~12117/SM/Perp/09/1c~127372-127376/P/Perp/10/5c
Judul asli :"History of western philosophy and its connection with political and social circumstances from the earlist times to the present day"
Bibliografi : hlm. 447-452
No Inv.: 12310-12314/P/Perp/94/5c~2630-2639/P/Perp/98/10c~114149-114153/P/Perp/08/5c~140415/S/Perp/14/1c
Bibliografi : hlm. 219-220