Samankaltaisia teoksia: National Geographic :
- National Geographic : vol. 190, no. 1, July 1996 /
- National Geographic : vol. 190, no. 2, August 1996 /
- National Geographic : vol. 190, no. 3, September 1996 /
- National Geographic : vol. 190, no. 4, October 1996 /
- National Geographic : vol. 190, no. 6, December 1996 /
- National Geographic : vol. 189, no. 5, May 1996 /