| ID | Interpret | Skladba | Album | |
| 181. | Sean Gabb | Sean Gabb on the DNA Database | The Libertarian Alliance |  |
| 182. | deejayDSM | Alien Alliance | Alien Alliance | |
| 183. | Jim Harper | Identity Crisis: How Identification Is Overused and Misunderstood | 2007 EDUCAUSE Policy Conference | |
| 184. | Cato Institute | Welfare Reform Turns 10 | Cato Institute Policy Forum | |
| 185. | Cato Institute | Gay Marriage | Cato Institute Policy Forum |  |
| 186. | Cato Institute | Election 2006: A Look Back and Forward | Cato Institute Policy Forum | |
| 187. | Cato Institute | US Trade Remedy Laws-04-17-07 | Cato Institute Policy Forum | |
| 188. | Jim Harper | Identity Crisis: How Identification Is Overused and Misunderstood | 2007 EDUCAUSE Policy Conference | |
| 189. | Cato Institute | U.S. Agricultural Policy with or without Doha | Cato Institute Policy Forum | |
| 190. | Daniel McCarthy | Commentary | ASC Panel: Security and Foreign Policy | |
| 191. | Cato Institute | U.S.-China Trade, Exchange Rates, and the U.S. Economy | Cato Institute Policy Forum | |
| 192. | Cato Institute | Has U.S. Income Inequality Increased? | Cato Institute Policy Forum | |
| 193. | Cato Institute | Overkill: The Rise of Paramilitary Police Raids in America | Cato Institute Policy Forum | |
| 194. | Cato Institute | Want Trade Agreements-09-28-07 | Cato Institute Policy Forum | |
| 195. | Cato Institute | Comprehensive Immigration Reform for a Growing Economy | Cato Institute Policy Forum | |
| 196. | Cato Institute | Freeing the Farm-04-26-07 | Cato Institute Policy Forum | |
| 197. | Cato Institute | The Dangers of Discloser-03-27-07 | Cato Institute Policy Forum | |
| 198. | Cato Institute | Human Organs for Sale? | Cato Institute Policy Forum | |
| 199. | Cato Institute | Truths about Energy-11-27-07 | Cato Institute Policy Forum | |
| 200. | Cato Institute | Advancing Economic Freedom in the Middle East | Cato Institute Policy Forum | |
