Author
National Geographic Society (U.S.)
Warner Home Video (Firm)
5
Ehrenberg, Ralph E., 1937-
3
Grosvenor, Gilbert Hovey, 1875-1966
3
Bacon, Kevin, 1958-
2
Ballard, Robert D.
2
Bernanke, Jaime
2
Chamberlin, Wellman
2
Cohen, Chad
2
Houlston, Paul
2
Mander, Lee
2
National Geographic Channel (Television station : Washington, D.C.)
2
National Geographic Television & Film
2
National Geographic Video (Firm)
2
Noxon, Nicolas, 1936-2016
2
Safan, Craig
2
Sheen, Martin
2
Stamer, George
2
Wells, Spencer, 1969-
2
American Geographical Society of New York
1
Association of American Geographers
1
Chesley, Paul
1
De Blij, Harm J.
1
Earle, Sylvia A., 1935-
1
Earth '88 Washington, D.C.
1
Fiocca, Richard
1
Fisher, Ron, 1938-
1
Glover, Linda K.
1
Hurley, Graham
1
Hurley, Graham, 1946-
1
Hyslop, Stephen G. (Stephen Garrison), 1950-
1
Isbouts, Jean-Pierre
1
Johnston, Jud
1
Kagan, Neil
1
Marine Technology Society
1
National Baseball Hall of Fame and Museum
1
National Council for Geographic Education
1
National Geographic Maps (Firm)
1
National Geographic Television
1
Oceanic Engineering Society (U.S.)
1
Oceans '86 Washington, D.C.
1
Robbins, Michael W.
1
Rosenfeld, Michael (Producer)
1
Twain, Mark, 1835-1910
1
Villiers, Alan John, 1903-
1
Villiers, Alan, 1903-1982
1