| Costello, Paul - |
| The Latin American Debt Crisis (16) | | Multiple Choice | 2013.06.14 |
| The Mara (19) | | Multiple Choice | 2013.08.18 |
| The Mercosur (8) | | Multiple Choice | 2013.02.01 |
| The Muscogee Creek Nation (8) | | Multiple Choice | 2013.04.08 |
| The Navajo Code Talkers in World War II (18) | | Multiple Choice | 2013.01.02 |
| The Nazca Lines (9) | | Multiple Choice | 2013.12.08 |
| The Nez Perce Tribe (9) | | Multiple Choice | 2013.09.26 |
| The Northwest Coast Indians (9) | | Multiple Choice | 2013.07.10 |
| The Organization of American States (8) | | Multiple Choice | 2013.01.18 |
| The Origins of Capoeira in South America (25) | | Multiple Choice | 2013.05.13 |
| The Pampas (8) | | Multiple Choice | 2013.12.23 |
| The Paraná River (33) | | Multiple Choice | 2013.11.09 |
| The Patagonian Steppe (8) | | Multiple Choice | 2013.09.27 |
| The Patagonian Toothfish (9) | | Multiple Choice | 2013.09.18 |
| The Pawnee Tribe (15) | | Multiple Choice | 2013.10.17 |
| The Pink Dolphin (9) | | Multiple Choice | 2013.08.18 |
| The Pink Tide (15) | | Multiple Choice | 2013.07.16 |
| The Portuguese Colonization of Brazil (37) | | Multiple Choice | 2013.07.01 |
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