| ID | Interpret | Skladba | Album | |
| 1. | Professor Lawrence Hirschfeld | Why is it Always 'Us' and 'Them': on the natural history of thinking through groups | LSE Public Lectures and Events |  |
| 2. | Peter Clayton | Tribal Leadership - Leveraging Natural Groups to Build a Thriving Organization | Total Picture Radio with Peter Clayton | |
| 3. | Corey Menscher | Natural History | | |
| 4. | Robert J. Howe | The Natural History of Calamity | Hour of the Wolf: Saturday, June 18, 2005 | |
| 5. | Ultra-red | Against a Natural History of Wind | The Debt | |
| 6. | Billy Pilgrim | The Natural History Museum | DEAF 2009 CD | |
| 7. | Ultra-red | Against a Natural History of Wind | The Debt | |
| 8. | Doctor Who | The Natural History of Fear Trailer #1 | Big Finish | |
| 9. | Doctor Who | The Natural History of Fear Trailer #2 | Big Finish | |
| 10. | Sleepytime Gorilla Museum | Sleepytime Gorilla Museum - Of Natural History | Of Natural History | |
| 11. | JW Oosthoek | Artifact or natural? The history of Flanders Moss in Scotland | Exploring Environmental History | |
| 12. | AMNH | Hall of Human Origins - American Museum of Natural History | | |
| 13. | AMNH | Hall of Human Origins - American Museum of Natural History | | |
| 14. | AMNH | Hall of Human Origins - American Museum of Natural History | | |
| 15. | Hall of Human Origins - American Museum of Natural History | Hall of Human Origins - American Museum of Natural History | Hall of Human Origins - American Museum of Natural History | |
| 16. | Hall of Human Origins - American Museum of Natural History | Hall of Human Origins - American Museum of Natural History | Hall of Human Origins - American Museum of Natural History | |
| 17. | Dr. J. Budziszewski | Playing Dumb: The Natural Consequences of Violating the Natural Law | Veritas Forum - Louisiana State University | |
| 18. | Jonathan Daugherty & Stephen Cervantes | Married Thinking vs. Single Thinking | Pure Sex Radio 2008 | |
| 19. | Craig Shoemaker | Object Thinking (Part 1) : Interview with Dr. David West, Author of 'Object Thinking' | Polymorphic Podcast :: polymorphicpodcast.com | |
| 20. | Craig Shoemaker | Object Thinking (Part 2) : Interview with Dr. David West, Author of 'Object Thinking' | Polymorphic Podcast :: polymorphicpodcast.com | |
| 21. | Murray N. Rothbard | 4. Natural Law and Natural Rights | The Ethics of Liberty | |
| 22. | Eric Langhorst | Speaking of History #175 - Smithsonian American History Museum and Web 2.0 Tools | Speaking of History | |
| 23. | Eric Langhorst | Speaking of History #175 - Smithsonian American History Museum and Web 2.0 Tools | Speaking of History | |
| 24. | Wednesday Boys | Two Groups of Three | Studio Recordings | |
| 25. | Wednesday Boys | Two Groups of Three | Studio Recordings | |
| 26. | Eric Langhorst | Speaking of History #145 - American History Idol Project | | |
| 27. | Blake Yeaman | Statue Groups 1 | Blake Yeaman's Album | |
| 28. | The Goblins | 4 Food Groups | Missing Fits |  |
| 29. | The Goblins | 4 Food Groups | Missing Fits | |
| 30. | L. Davies (University of Essen | Breakdown and Groups | | |
