Alaska and its Mineral Resources, Placer or Detrital Deposits, The National Geographic Magazine Vol. 09 - 04. April 1898
2 Juni 202517min
Albemarle in Revolutionary Days, The National Geographic Magazine Vol. 07 - 08. August 1896
2 Juni 202527min
American Association for the Advancement of Science, The National Geographic Magazine Vol. 09 - 09. September 1898
2 Juni 20255min
All Around the Bay of Passamaquoddy, The National Geographic Magazine Vol. 08 - 01. January 1897
2 Juni 202529min
American Geographic Education, The National Geographic Magazine Vol. 09 - 07. July 1898
2 Juni 20258min
Alaska and its Mineral Resources, Probable Extent of Gold-bearing Deposits, The National Geographic Magazine Vol. 09 - 04. April 1898
2 Juni 202510min
A Brief Account of the Geographic Work of the U.S. Coast and Geodetic Survey, The National Geographic Magazine Vol. 08 - 10. October 1897
2 Juni 202514min
A Critical Period in South African History, The National Geographic Magazine Vol. 07 - 11. November 1896
2 Juni 20254min
