| ID | Interpret | Skladba | Album | |
| 151. | Gil Guillory | Marketing Subscription-Based Patrol and Restitution | ASC Panel: Security and Foreign Policy |  |
| 152. | America.gov Multimedia - Arabic | ia arb 080808 e08 trade | Elections 2008 - Energy Policy | |
| 153. | Dimitri Zenghelis | The Stern Review on the Economics of Climate Change | Goldman School of Public Policy | |
| 154. | Jim Harper | Identity Crisis: How Identification Is Overused and Misunderstood | 2007 EDUCAUSE Policy Conference | |
| 155. | Cato Institute | Spreding Freedom & Saving Money | Cato Institute Policy Forum | |
| 156. | Cato Institute | Health Savings Accounts-05-24-07-2 | Cato Institute Policy Forum | |
| 157. | Cato Institute | Are Civil Liberties at Risk-05-24-07 | Cato Institute Policy Forum | |
| 158. | Internet Caucus Advisory Committee | RFID Exhibition & Policy Primer | RFID Exhibition & Policy Primer | |
| 159. | Cato Institute | Advancing Economic Freedom in the Middle East | Cato Institute Policy Forum | |
| 160. | Cato Institute | Truths about Energy-11-27-07 | Cato Institute Policy Forum | |
| 161. | Cato Institute | Want Trade Agreements-09-28-07 | Cato Institute Policy Forum | |
| 162. | Cato Institute | DC Gun Ban in the Cross Hairs-03-22-07 | Cato Institute Policy Forum | |
| 163. | Cato Institute | Gay Marriage | Cato Institute Policy Forum |  |
| 164. | Ethan Nadelmann & Daniel Wolfe | 112807nadelmann | Drug Policy Alliance Podcasts | |
| 165. | Drew Clark | Mapping the Fault Lines in Telecomm, Media, and Tech Lobbying | 2007 EDUCAUSE Policy Conference | |
| 166. | Jim Harper | Identity Crisis: How Identification Is Overused and Misunderstood | 2007 EDUCAUSE Policy Conference | |
| 167. | Cato Institute | US Trade Remedy Laws-04-17-07 | Cato Institute Policy Forum | |
| 168. | Drug Policy Alliance | Drug Policy Alliance Podcasts | Drug Policy Alliance Podcasts | |
| 169. | Randy lewis | Reps. Davis and Bridges: please save some crazy for the rest of us | Georgia Political and Policy Digest | |
| 170. | Grayson Hurst Daughters | At the AJC ItÕs Do As We Say, Not As We Do | Georgia Political and Policy Digest | |
| 171. | Cato Institute | Welfare Reform Turns 10 | Cato Institute Policy Forum | |
| 172. | Grayson Hurst Daughters | At the AJC ItÕs Do As We Say, Not As We Do | Georgia Political and Policy Digest | |
| 173. | Cato Institute | U.S.-China Trade, Exchange Rates, and the U.S. Economy | Cato Institute Policy Forum | |
| 174. | Cato Institute | Election 2006: A Look Back and Forward | Cato Institute Policy Forum | |
| 175. | Cato Institute | Comprehensive Immigration Reform for a Growing Economy | Cato Institute Policy Forum | |
| 176. | Cato Institute | U.S. Trade Policy in the Wake of Doha | Cato Institute Policy Forum | |
| 177. | Daniel McCarthy | Commentary | ASC Panel: Security and Foreign Policy | |
| 178. | General Sir John Adye, G.C.B., R.A. | 3 - Chapter 3 - Frontier Policy Since the Second Afghan War, Inclusing Expedition to Chitral | Indian Frontier Policy, an Historical Sketch | |
| 179. | General Sir John Adye, G.C.B., R.A. | 3 - Chapter 3 - Frontier Policy Since the Second Afghan War, Inclusing Expedition to Chitral | Indian Frontier Policy, an Historical Sketch | |
| 180. | General Sir John Adye, G.C.B., R.A. | 3 - Chapter 3 - Frontier Policy Since the Second Afghan War, Inclusing Expedition to Chitral | Indian Frontier Policy, an Historical Sketch | |
