| ID | Interpret | Skladba | Album | |
| 61. | John Wilbanks and Ellen Duranceau | John Wilbanks on Barriers to the flow of scientific knowledge | MIT Libraries - Podcasts on Scholarly Publishing |  |
| 62. | Hazardous Waste Clean-Up Information | June 15, 2006: Permeable Reactive Barriers: Lessons Learned and New Directions | | |
| 63. | Wendy Lipton-Dibner and Greenbranch Publishing | Break Through Your Medical Practice Success Barriers with Wendy Lipton-Dibner of Professional Impact, Inc. | The Journal of Medical Practice Management | |
| 64. | Bill Wilson | Using Standards to Build an Information Security Program - Part 3: Implementation Challenges, Barriers, & Key Roles | CERT’s Podcasts for Business Leaders | |
| 65. | DRI | The Trade | Thrash Zone |  |
| 66. | Evil Adam | B-Trade | Useless And Dumb | |
| 67. | DoRight Productions | Looking For Trade | Shock Treatment Remixes | |
| 68. | Baba | Trade War | Budget Day | |
| 69. | LUXURY ITEM | Trade | The ModPopPunk Archives | |
| 70. | The Rabbit Theory | I don't trade | this is my life / ape must not kill ape records compilation | |
| 71. | Prokai Project | The Trade | | |
| 72. | THE DOPE POET SOCIETY | WORLD TRADE | 911:WORLD TRADE | |
| 73. | George Gordon | Trade Secrets | Law Hour | |
| 74. | Fred Moten | The Salve Trade | Reading at the Kelly Writers House, University of Pennsylvania, 2-28-08 | |
| 75. | Chris & Mollie | Transition Trade | The Palm Tree | |
| 76. | George Gordon | Trade Secrets | Law Hour | |
| 77. | Chris & Mollie | Transition Trade | The Palm Tree | |
| 78. | Chris & Mollie | Transition Trade | The Palm Tree | |
| 79. | Jorg Guido Hülsmann, Joseph Salerno, Mark Thornton | International Trade | | |
| 80. | THE DOPE POET SOCIETY | WORLD TRADE | 911:WORLD TRADE | |
| 81. | Fabolous Ft Pdiddy JE | trade it all pt 2 main | Trade It All Pt 2 CDS | |
| 82. | Rev. Donna Hopkins Britt | Trade-offs | | |
| 83. | Mark Phythian | The Arms Trade | 2003 | |
| 84. | Mark Phythian | The Arms Trade | 2003 | |
| 85. | Fred Moten | The Salve Trade | Reading at the Kelly Writers House, University of Pennsylvania, 2-28-08 | |
| 86. | Sallie James | Gains from Trade? | Cato Daily Podcast | |
| 87. | Sallie James | Gains from Trade? | Cato Daily Podcast | |
| 88. | THE DOPE POET SOCIETY | WORLD TRADE | 911:WORLD TRADE | |
| 89. | Ed Brown II | Tricks of the Trade | Eat Ingredients | |
| 90. | Keith and The Girl | 645: Tricks of the Trade | KATG.com | |
