| ID | Interpret | Skladba | Album | |
| 181. | Ezra Niesen | Chapter 17: Thermodynamics and the Future of Economics | Zapatista University |  |
| 182. | Ezra Niesen | Chapter 14: The CHemistry of the Global Environment | Zapatista University | |
| 183. | Ezra Niesen | Chapter 3: How Science Works | Zapatista University | |
| 184. | Ezra Niesen | Chapter 13: The Chemistry of Genes | Zapatista University | |
| 185. | Ezra Niesen | Chapter 9: Genes and Reproduction | Zapatista University | |
| 186. | Ezra Niesen | Chapter 3: How Science Works | Zapatista University | |
| 187. | Ezra Niesen | Chapter 20: An Environmental Government | Zapatista University | |
| 188. | Ezra Niesen | Chapter 4: Science versus Politics | Zapatista University | |
| 189. | Gary North | Calling and Career as an Austrian School Scholar | Mises University | |
| 190. | Roger Garrison | Austrian Theory of the Trade Cycle | Mises University | |
| 191. | Roger Garrison | The Future of Austrian Economics | Mises University | |
| 192. | Jaushieh Joseph Wu | Taiwan and its Unique Relations with the US and China | Yale University | |
| 193. | Greg Boyd & Jim Wallis | Faith & Politics: Should They Mix? | 10-23-06 at Bethel University | |
| 194. | Ezra Niesen | Chapter 12: The History of Farming | Zapatista University | |
| 195. | Roy Baumeister | Building self control to fight addiction | Yale University | |
| 196. | Ezra Niesen | Chapter 6: Science and the World Farm | Zapatista University | |
| 197. | PI BETA PHI | - | BAYLOR UNIVERSITY | |
| 198. | PI BETA PHI | - | BAYLOR UNIVERSITY | |
| 199. | Roger Garrison | Extensions and Applications in Austrian Macroeconomics | Mises University | |
| 200. | Sheldon Richman | Basic of Liberty | Freedom University I | |
