8
1
10
National Geographic Magazine January, March, April and May 2011
National Geographic Magazine
Additional Author
mixed material
New York
National Geographic
2011
National Geographic Magazine July, September, October, November, December 2005
National Geographic Magazine
Additional Author
mixed material
New York
National Geographic
2005
National Geographic Magazine February, April, June, July, September 2009
National Geographic Magazine
Additional Author
mixed material
New York
National Geographic
2009
National Geographic Magazine November 2009, December 2010, June-July 2011, and September 2011
National Geographic Magazine
Additional Author
mixed material
New York
National Geographic
2009
National Geographic Magazine January, May, June, July 2008
National Geographic Magazine
Additional Author
mixed material
New York
National Geographic
2008
National Geographic August, September, October, November 2008
National Geographic Magazine
Additional Author
mixed material
New York
National Geographic
2008
National Geographic January, March-July, and September-December 2013
National Geographic Magazine
Additional Author
mixed material
New York
National Geographic
2013
National Geographic March, September, October, and December 2007
National Geographic Magazine
Additional Author
mixed material
New York
National Geographic
2007