有声读物: National Geographic Magazine Vol. 02 No. 3-5

National Geographic Magazine Volume 2 Number 3:
The Arctic Cruise of the U.S.S. Thetis in the Summer and Autumn of 1889.
The Law of Storms, considered with special reference to the North Atlantic.
The Irrigation Problem in Montana.

National Geographic Magazine Volume 2 Number 4:
Korea and the Koreans.
The Ordnance Survey of Great Britain - its history and object.
Geographic Nomenclature.

National Geographic Magazine Volume 2 Number 5:
Announcement.
Summary of Reports on the Mt. St. Elias Expedition.
By-Laws and Rules of the National Geographic Society.