| When | What | Who | Comment |
|---|---|---|---|
| December 26, 2010 | 61.44.99.131 |
Added new cover |
|
| December 26, 2010 | 61.44.99.131 | Added 1971 Gateway edition of Invitation to linguistics. | |
| December 26, 2010 | 61.44.99.131 | Added 1965 Gateway edition of Invitation to linguistics. |