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| A Selective Bibliography of Exploration Relating to the United States | 129 |
| August 2014 | September 2014 | October 2014 | November 2014 | December 2014 | January 2015 | February 2015 | |
| A Selective Bibliography of Exploration Relating to the United States | 4 | 3 | 5 | 0 | 4 | 2 | 2 |
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| A Selective Bibliography of Exploration.pdf | 69 |
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