No Inv.: 3951/P/Perp/91/1c~574/P/Perp/92/1c~13684/P/Perp/94/1c~1037/P/Perp/95/1c
No Inv.: 14410/P/Perp/94/1c
No Inv.: 1906/S/Perp/91/1c
No Inv.: 351/P/Perp/92/1c~13412/P/Perp/94/1c
No Inv.: 3354-3356/P/Perp/91/3c~9724-9728/P/Perp/92/5c~75585-75586/01/2c
Judul asli : "De Wijsbegeerte van de 20e Eeuw"
No Inv.: 2842/S/Perp/87/1c
No Inv.: 3791/Pb/Perp/92/1c~1061/P/Perp/95/1c~1792-1793/P/Perp/95/2c~107691/P/Perp/06/1c~144731/PH/Perp/13/1c
No Inv.: 6915-6919/P/Perp/92/5c~5567-5576/P/Perp/92/10c~2752/P/Perp/98/1c
No Inv.: 3175-3176/P/Perp/91/2c~2396-2400/P/Perp/95/5c