| user: | Pete_D |
| created: | November 22, 2013 |
| karma: | 1.1k |
| 1. | Eternity II Puzzle(en.wikipedia.org) |
| 2. | |
| 3. | List of Chess Variants(en.wikipedia.org) |
| 4. | Write combining is not your friend (2013)(fgiesen.wordpress.com) |
| 5. | Metacognition in the Rat (2007)(ncbi.nlm.nih.gov) |
| 6. | Songs of the IBM (1935) [pdf](ibm.com) |
| 7. | The Radiation Printer(computer-history.info) |