National Geographic Magazine 1965-09, September
National Geographic Magazine 1948-06, June
National Geographic Magazine 1948-09, September
National Geographic Magazine 1951-04, April
Australian Geographic Outdoor – May-June 2015
National Geographic Magazine 1948-03, March
National Geographic Magazine 1970-05, May
National Geographic Magazine 1959-07, July
National Geographic Magazine 1948-12, December
National Geographic Magazine 1955-08, August
National Geographic Magazine 1945-09, September
National Geographic Magazine 1966-07, July
National Geographic Magazine 1946-11, November
National Geographic France N 154 – Juillet 2012
National Geographic Magazine 1947-07, July
National Geographic France N 188 – Mai 2015
National Geographic Magazine 1946-12, December
National Geographic Magazine 1955-06, June
National Geographic USA – May 2015
National Geographic Magazine 1953-03, March
National Geographic Magazine 1964-01, January
National Geographic N 188 – Mai 2015
National Geographic Magazine 1970-11, November
National Geographic Magazine 1952-02, February
National Geographic Magazine 1952-05, May
National Geographic Magazine 1949-09, September
Discover Britain – February-March 2015
Discover Britain – December 2014 – January 2015
National Geographic Magazine 1951-08, August
National Geographic Magazine 1962-08, August
National Geographic Nederland-Belgie – Mei 2015
National Geographic Magazine 1949-05, May
National Geographic Magazine 1949-06, June
National Geographic Magazine 1954-12, December
National Geographic Magazine 1949-07, July
National Geographic Magazine 1946-01, January
National Geographic Magazine 1968-03, March
National Geographic Germany Mai 05, 2015
National Geographic Colombia – Abril 2015
Atlas – Nisan 2015
