No Inv.: 091/AF/Perp/93/1c
No Inv.: 783-784/P/Perp/92/2c
No Inv.: 3799/P/Perp/91/1c
No Inv.: 2935-2936/P/Perp/91/2c
No Inv.: 800/P/Perp/92/1c
No Inv.: 1403-1405/S/Perp/92/3c
No Inv.: 6791-6798/BD/Perp/90/8c
Judul asli : "The Problems of Rural Education"
No Inv.: 3969-3991/S/Perp/90/23c
No Inv.: 135/S/Perp/91/1c~478-479/S/Perp/91/2c~830/S/Perp/91/1c~690/S/Perp/91/1c~974/S/Perp/91/1c~1545/S/Perp/91/1c~1546/S/Perp/91/1c