No Inv.: 630-631/BD/Perp/86/2c
No Inv.: 103/AF/Perp/92/1c
No Inv.: 10234-10236/P/Perp/92/3c
No Inv.: 574-575/BD/Perp/86/2c~14239-14242/P/Perp/94/4c
No Inv.: 3406-3410/P/Perp/95/5c~1586-1590/P/Perp/95/5c
Judul asli : "Earth Our Crowded Space Ship"
No Inv.: 83598-83599/P/Perp/FIP/02/2~796-801/P/Perp/94/6c~3658-3659/P/Perp/92/2c
No Inv.: 891-896/S/Perp/98/6c
No Inv.: 1578-1587/Perp/89/10c