| ID | Interpret | Skladba | Album | |
| 151. | Eric Langhorst | Speaking of History #166 - Smithsonian in the Classroom - Abraham Lincoln, The Face of War | Speaking of History |  |
| 152. | Eric Langhorst | Speaking of History #170 - Resources for Teaching the Inauguration | Speaking of History | |
| 153. | Bill Bryson | A Short History of Nearly Everything - Part 1 | A Short History of Nearly Everything | |
| 154. | Eric Langhorst | Speaking of History #187 - How I Use Twitter and a Teacher and Educator | Speaking of History | |
| 155. | Eric Langhorst | Speaking of History #172 - Smithsonian's Free Online Conference on Lincoln - Feb 4-5, 2009 | Speaking of History | |
| 156. | Eric Langhorst | Speaking of History #177 - Review of Smithsonian Online Lincoln Conference | Speaking of History | |
| 157. | George Edmundson | Holland 11 - The East and West India Companies. Commercial and Economic Expansion | History of Holland | |
| 158. | George Edmundson | Holland 11 - The East and West India Companies. Commercial and Economic Expansion | History of Holland | |
| 159. | Eric Langhorst | Speaking of History #169 - Professional and Technology Goals for 2009 | Speaking of History | |
| 160. | Bill Frisell | Monroe Part 3 | History, Mystery | |
| 161. | Eric Langhorst | Speaking of History #179 - Does the Economic Crisis Creating A Tipping Point for Online Conferences? | Speaking of History | |
| 162. | George Edmundson | Holland 08 - The Twelve Years Truce | History of Holland | |
| 163. | Eric Langhorst | Speaking of History Podcast #181 - The Donner Party Debate Lesson | Speaking of History | |
| 164. | Eric Langhorst | Speaking of History #185 - Review of Lincoln's Sanctuary - Abraham Lincoln and the Soldiers' Home by Matthew Pinsker | Speaking of History | |
| 165. | Eric Langhorst | Speaking of History #175 - Smithsonian American History Museum and Web 2.0 Tools | Speaking of History | |
| 166. | Blackouts | Happy Hunting Ground | History in Reverse |  |
| 167. | Blackouts | Happy Hunting Ground | History in Reverse | |
| 168. | Blackouts | Happy Hunting Ground | History in Reverse | |
| 169. | Blackouts | Happy Hunting Ground | History in Reverse | |
| 170. | George Edmundson | Holland 23 - The Regency of Anne and of Brunswick, 1751-1766] | History of Holland | |
| 171. | Blackouts | Happy Hunting Ground | History in Reverse | |
| 172. | George Edmundson | Holland 34 - The later reign of William III, and the Regency of Queen Emma, 1872-1898 | History of Holland | |
| 173. | George Edmundson | Holland 26 - The Orange Restoration. Downfall of the Republic, 1788-1795 | History of Holland | |
| 174. | Blue October | Calling You | History For Sale |  |
| 175. | George Edmundson | Holland 26 - The Orange Restoration. Downfall of the Republic, 1788-1795 | History of Holland | |
| 176. | George Edmundson | Holland 34 - The later reign of William III, and the Regency of Queen Emma, 1872-1898 | History of Holland | |
| 177. | George Edmundson | Holland 32 - William I abdicates. Reign of William II. Revision of the Constitution, 1842-1849 | History of Holland | |
| 178. | George Edmundson | Holland 10 - From the end of the Twelve Years' Truce to the Peace of Munster, 1621-1648. The Stadholderate of Frederick Henry of Orange | History of Holland | |
| 179. | Eric Langhorst | Speaking of History #192 - Bison Chip Cookout | Speaking of History | |
| 180. | George Edmundson | Holland 09 - Maurice and Oldenbarneveldt | History of Holland | |
