No Inv.: 1101-1103/Pb/Perp/92/3c~2969-2970/P/Perp/91/2c~8565-8567/Pb/Perp/92/3c~11676/Pb/Perp/93/1c~11740-11743/P/Perp/93/4c
No Inv.: 2434-2443/P/Perp/96/10c
No Inv.: 3702/P/Perp/91/1c(R)~406/P/Perp/91/1c
No Inv.: 2423-2424/Perp/85/2c
Judul asli : "Geologie voor de Civiel Ingenieur"
No Inv.: 4357-4359/P/Perp/95/3c~4521-4530/P/Perp/97/10c
No Inv.: 319-320/BD/Perp/87/2c
No Inv.: 1786-1787/BD/Perp/87/2c
No Inv.: 3406-3410/P/Perp/95/5c~1586-1590/P/Perp/95/5c
Judul asli : "Earth Our Crowded Space Ship"