| ID | Interpret | Skladba | Album | |
| 1. | William T. Hornaday | 34 - Introduced Species That H | Our Vanishing Wild Life |  |
| 2. | William T. Hornaday | 35 -Introduced Species That Have Become Pests | Our Vanishing Wild Life | |
| 3. | William T. Hornaday | 35 -Introduced Species That Have Become Pests | Our Vanishing Wild Life | |
| 4. | Ben Crair | Ben Crair, introduced by Al Filreis | Senior Capstone, UPenn; May 13, 2007 | |
| 5. | Contrast Podcast | 056 The Contrast Podcast introduced me to ... | | |
| 6. | D.A. Powell | D.A. Powell (introduced by Kathy Lou Schultz) | Kelly Writers House / UPenn, Apr-8-2004 | |
| 7. | Dennis Barone and Gil Ott | reading at the Writers House introduced by Gil Ott | Kelly Writers House Podcast | |
| 8. | Richard Lawrence | Richard Lawrence, introduced by Al Filreis | Senior Capstone, UPenn; May 13, 2007 | |
| 9. | Arielle Brousse | Arielle Brousse, introduced by Jessica Lowenthal | Senior Capstone, UPenn; May 13, 2007 | |
| 10. | Jamie Alter | Jamie Alter, introduced by Jessica Lowenthal | Senior Capstone, UPenn; May 13, 2007 | |
| 11. | Stephanie Strickland | Stephanie Strickland (introduced by Nick Monfort) | Kelly Writers House / UPenn, Apr-8-2004 | |
| 12. | Elaine Braithwaite | Elaine Braithwaite, introduced by Jessica Lowenthal | Senior Capstone, UPenn; May 13, 2007 | |
| 13. | Adam Franklin | Adam Franklin, introduced by Erin Gautsche | Senior Capstone, UPenn; May 13, 2007 | |
| 14. | Bill Nye | 12 Magna Charta Introduced: Slight Difficulties Encountered in Overcoming an Unpopular and Unreasonable Prejudice | Comic History of England | |
| 15. | Bill Nye | 12 Magna Charta Introduced: Slight Difficulties Encountered in Overcoming an Unpopular and Unreasonable Prejudice | Comic History of England | |
| 16. | Adam Waclawski | Species | sid.oth4.com | |
| 17. | California Academy of Sciences | New Species | Science in Action | |
| 18. | Animal Style | What is Species | What is Species | |
| 19. | Cortex | Species Omen III | Freak | |
| 20. | November Process | Poisoned Species | Newspeak | |
| 21. | Mark Brush | Endangered Species Act | �2005 GLRC.org | |
| 22. | Dj Magenius | Endangered Species wav | | |
| 23. | hanhisuanto | underwater species 5 | underwater species | |
| 24. | Âÿ÷åñëàâ CakeWorker Óáîãîâ | Species: Acid Value | Misty-K-Ana | |
| 25. | Drinks With Larry and Lauren | Engendered Species | | |
| 26. | November Process | Poisoned Species | Newspeak | |
| 27. | chefkirk | THE ORIGIN OF SPECIES | selection of Domestic Products | |
| 28. | Cortex | Species Omen III | Freak | |
| 29. | Chris Smither | Origin of Species | Leave the Light On |  |
| 30. | hanhisuanto | underwater species 2 | underwater species | |
