Ähnliche Einträge: National Geographic :
- National Geographic : vol. 120, no. 4, October 1961 /
- National Geographic : vol. 120, no. 5, November 1961 /
- National Geographic : vol. 119, no. 1, January 1961 /
- National Geographic : vol. 119, no. 2, February 1961 /
- National Geographic : vol. 119, no. 3, March 1961 /
- National Geographic : vol. 119, no. 4, April 1961 /