No Inv.: 2134/S/Perp/89/1c
No Inv.: 2544/P/Perp/89/1c
No Inv.: 182-183/BD/Perp/86/2c
No Inv.: 1700-1701/Perp/85/2c~7919-7923/P/Perp/92/5c
No Inv.: 33-34/Perp/84/2c
No Inv.: 231-232/S/Perp/90/2c~1607/S/Perp/87/1c~2474-2476/S/Perp/87/3c
Judul asli : "The Task of Law"
No Inv.: 8237-8241/P/Perp/92/5c
No Inv.: 1162/S/Perp/89/1c~1263/S/Perp/88/1c