| Date Approved | Indexer | Approver | Changed Fields |
|---|---|---|---|
| 2012-02-09 15:48:59 | Ramon Schenk | Jim Van Dore | Notes |
| 2010-10-17 20:42:35 | Jim Van Dore | Tony R. Rose | Year Began, Year Ended, Notes |
| 2010-03-15 21:36:42 | Per Sandell | Tony R. Rose | |
| 2009-11-01 00:00:01 | James Ludwig | Anonymous User | Year Began, Year Ended, Country, URL, Notes |
| 2002-01-01 00:00:00 | Anonymous User | Anonymous User | Publisher added |