| 2026-08-01 | Manuscript marks |
| 2026-01-11 | Division signs, more formally |
| 2025-07-24 | Daggerlike symbols on manuscripts |
| 2021-07-04 | ÷ symbols, in typography |
| 2019-11-16 | Division signs |
| 2016-04-03 | Symbols on old manuscripts |
| 2013-11-20 | Division signs |
| 2012-06-06 | Printing daggers |
| 2009-03-22 | Manuscript marks noting possible errors |
| 2005-12-04 | Symbols marking spurious passages in old manuscripts |
| 2002-11-19 | Division symbols |
| 1998-11-01 | Old manuscript marks |
| 1997-03-09 | Reference marks |
| 1997-01-12 | Daggers, in printing |
| 1995-01-29 | Printer's daggers |