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Learn More
In Learn More the National Geographic magazine team shares some of its best sources and other information to expand your knowledge of our featured subjects. Special thanks to the Research Division.

NGS Resources

Abercrombie, Thomas J. "Afghanistan: Crossroads of Conquerors." National Geographic (September 1968), 297-345.

Abercrombie, Thomas J. "Algeria: Learning to Live With Independence." National Geographic (August 1973), 200-33.

Abercrombie, Thomas J. "Arabia's Frankincense Trail." National Geographic (October 1985), 474-513.

Abercrombie, Thomas J. "Bahrain: Hub of the Persian Gulf." National Geographic (September 1979), 300-29.

Abercrombie, Thomas J. "Behind the Veil of Troubled Yemen." National Geographic (March 1964), 402-45.

Abercrombie, Thomas J. "Cambodia: Indochina's 'Neutral' Corner." National Geographic (October 1964), 514-51.

Abercrombie, Thomas J. "Change Comes to a Changeless Land." National Geographic (March 1977), 312-43.

Abercrombie, Thomas J. "Czechoslovakia: The Velvet Divorce." National Geographic (September 1993), 2-37.

Abercrombie, Thomas J. "Europe's First Family: The Basques." National Geographic (November 1995), 74-97.

Abercrombie, Thomas J. "Extremadura: Cradle of Conquerors." National Geographic (April 1991), 116-34.

Abercrombie, Thomas J. "Ibn Battuta, Prince of Travelers." National Geographic (December 1991), 2-49.

Abercrombie, Thomas J. "Ice Fishing's Frigid Charms." National Geographic (December 1958), 860-72.

Abercrombie, Thomas J. "Islam's Heartland, Up in Arms." National Geographic (September 1980), 334-45.

Abercrombie, Thomas J. "Jordan: Kingdom in the Middle." National Geographic (February 1984), 236-68.

Abercrombie, Thomas J. "Kansai, Japan's Historic Heartland." National Geographic (March 1970), 295-339.

Abercrombie, Thomas J. "Ladakh—the Last Shangri-La." National Geographic (March 1978), 332-59.

Abercrombie, Thomas J. "Minneapolis and St. Paul: A Tale of Twin Cities." National Geographic (November 1980), 664-91.

Abercrombie, Thomas J. "Morocco, Land of the Farthest West." National Geographic (June 1971), 834-65.

Abercrombie, Thomas J. "Nomad in Alaska's Outback." National Geographic (April 1969), 540-67.

Abercrombie, Thomas J. "Oman: Guardian of the Gulf." National Geographic (September 1981), 344-77.

Abercrombie, Thomas J. "Perth—Fair Winds and Full Sails." National Geographic (May 1982), 638-67.

Abercrombie, Thomas J. "Saudi Arabia: Beyond the Sands of Mecca." National Geographic (January 1966), 1-53.

Abercrombie, Thomas J. "Switzerland, Europe's High-rise Republic." National Geographic (July 1969), 68-113.

Abercrombie, Thomas J. "The Persian Gulf—Living in Harm's Way." National Geographic (May 1988), 648-71.

Abercrombie, Thomas J. "The St. Lawrence: River and Sea." National Geographic (October 1994), 104-25.

Abercrombie, Thomas J. "The Sword and the Sermon." National Geographic (July 1972), 2-45.

Abercrombie, Thomas J. "Unsettled Immigrants." National Geographic (July 1989), 120-29.

Abercrombie, Thomas J. "Venezuela Builds on Oil." National Geographic (March 1963), 344-87.

Abercrombie, Thomas J. "Wide Open Wyoming." National Geographic (January 1993), 54-79.

Abercrombie, Thomas J. "When the Moors Ruled Spain." National Geographic (July 1988), 86-119.

Abercrombie, Thomas J. "Young-Old Lebanon Lives by Trade: The Land of Cedars, Phoenician Sea Cities, and Crusader Castles Thrives again as Middleman of the Mediterranean." National Geographic (April 1958), 479-523.

Bass, George F. "Underwater Archaeology: Key to History's Warehouse." National Geographic (July 1963), 138-56.

Fisher, Allan C. "You and the Obedient Atom: Abundant Energy Released From the Hearts of Atoms Promises a Vastly Different and Better Tomorrow for all Mankind." National Geographic (September 1958), 303-53.

Gruening, Ernest. "Alaska Proudly Joins the Union." National Geographic (July 1959), 42-83.

Kenney, Nathaniel. "The Mighty Enterprise." National Geographic (March 1963), 431-48.

La Fay, Howard. "Easter Island and Its Mysterious Monuments." National Geographic (January 1962), 90-117.

Lewis, M. Lee, and Malcolm D. Ross. "To 76,000 Feet by Strato-Lab Balloon: Two Navy Meteorologists Reach Record Height with a Light Gasbag of Transparent Plastic and Survive a Fall of 14 1/3 Miles." National Geographic (February 1957), 269-82.

Linehan, Edward J. "Old-New Iran, Next Door to Russia." National Geographic (January 1961), 44-85.

Piccard, Jacques. "Man's Deepest Dive." National Geographic (August 1960), 224-39.

Reed, Theodore H. "Enchantress!" National Geographic (May 1961), 628-41.

Siple, Paul A. "Man's First Winter at the South Pole: Cold Fiercer Than Men Had Ever Faced, Ceaseless Winds, a 6-Month Night—Yet 18 Pioneers of Science Survived, and Thrived." National Geographic (April 1958), 439-78.

Smith, Bradford. "Captain Smith of Jamestown." National Geographic (May 1957), 581-620.

Tavares de Sá, Hernane. "Metropolis Made to Order: Brasília." National Geographic (May 1960), 704-24.