| ID | Interpret | Skladba | Album | |
| 121. | BtVS Cast | I've Got a Theory | Buffy - Once More With Feeling |  |
| 122. | alt.NPR | Theory of Everything | Benjamen Walker's Theory Of Everything | |
| 123. | alt.NPR | Theory of Everything | alt.NPR: Benjamen Walker's Theory of Everything | |
| 124. | Andy Horner | GDS Theory | Dallas Seminary Chapel | |
| 125. | EDY BEAT | Low End Theory | Project 2007 | |
| 126. | Jimmy Eat World | My Best Theory | |  |
| 127. | DJ Alex | Red Theory | unknown | |
| 128. | Pulvermedia Podcasting Network | Exhibiting at VON Spring 2007: Communigate Systems | VON Spring 2007 | |
| 129. | Robert Baumgartl | uClinux für High Performance Embedded Systems | Chemnitzer Linux-Tage 2007 | |
| 130. | Robert Baumgartl | uClinux für High Performance Embedded Systems | Chemnitzer Linux-Tage 2007 | |
| 131. | ECT News Network | Probabilistic Systems Management Heads Off Trouble | Enterprise IT Roundtable Hosted by Dana Gardner | |
| 132. | ECT News Network | Probabilistic Systems Management Heads Off Trouble | Enterprise IT Roundtable Hosted by Dana Gardner | |
| 133. | Schleicher and White | Coolness Roundup #89 - Weather Warning Systems | Coolness Roundup | |
| 134. | Doug Nix | Safety Guy V2N1 - Risk Scoring Systems | The Safety Guy | |
| 135. | Robert Baumgartl | uClinux für High Performance Embedded Systems | Chemnitzer Linux-Tage 2007 | |
| 136. | Dief Minusky | TNOS V1 C9 - The Nature of Systems Volume One, Chapter 9 | The Nature of Systems | |
| 137. | Dief Minusky | TNOS V1 C9 - The Nature of Systems Volume One, Chapter 9 | The Nature of Systems | |
| 138. | David Wagner | Report of the California Voting Systems Review | 16th USENIX Security Symposium | |
| 139. | Gordon Guyatt | Comparison between U.S. and Canadian health care systems | | |
| 140. | David Wagner | Report of the California Voting Systems Review | 16th USENIX Security Symposium | |
| 141. | Christine Vaccine | Vaccine vs. Intex Systems - June 2007 | | |
| 142. | David Wagner | Report of the California Voting Systems Review | 16th USENIX Security Symposium | |
| 143. | Eric Schmiedl, Mike Spindel | Strengths and Weaknesses of Access Control Systems | The Last Hope, July 18-20, 2008 | |
| 144. | Host Robert Booz and Guest Steven Leigh | The Future of Life Insurance Illustration Systems | Gartner Voice | |
| 145. | Kevin Dick | Security Taxonomy of Web Services and Distributed Systems | WebServicesSummit.com audiocast collection | |
| 146. | Colin Currie | Building Collaborative Administrative Systems Governance | EDUCAUSE Conferences | |
| 147. | Colin Currie | Building Collaborative Administrative Systems Governance | EDUCAUSE Conferences | |
| 148. | Host Robert Booz and Guest Steven Leigh | The Future of Life Insurance Illustration Systems | Gartner Voice | |
| 149. | Kevin Dick | Security Taxonomy of Web Services and Distributed Systems | WebServicesSummit.com audiocast collection | |
| 150. | Daryl Bradford Smith, Luis Ewing | 2005 02 24 Thu. The structure of American court systems. | The French Connection | |
