Sách nói: National Geographic Magazine Vol. 10 - 12. December 1899

The National Geographic Magazine, an illustrated monthly, Vol X, December 1899.
It includes the following articles:

• The Wellman Polar Expedition, by Walter Wellman
• The Harriman Alaska Expedition, by Henry Gannett
• The Meteorological Observations of the Second Wellman Expedition, by Evelyn B. Baldwin
• Porto Rico or Puerto Rico? by Robert T. Hill
• The National Geographic Magazine and the U. S. Board on Geographic Names
• Place Names in Canada
• The Antarctic Climate

along with Geographic Literature and Miscellanea