| Date | Grid | Clue | Author | Editor | 
|---|---|---|---|---|
| Tue May 23, 2017 | 53A | Audited, as a class | Zhouqin Burnikel | Shortz | 
| Fri May 6, 2016 | 30A | Attended as an observer | Julian Lim | Shortz | 
| Fri Apr 20, 2007 | 7D | Audited (2) | David Quarfoot | Shortz | 
| Sun Apr 2, 2000 | 35D | Audited (2) | Nancy Salomon and Harvey Estes | Shortz | 
| Date | Type | Grid | Clue | Author | Editor | 
|---|---|---|---|---|---|
| Apr 17, 2022 | Panda | 39D | Observed Aniston | Daniel Raymon | Shortz | 
| Date | Grid | Clue | Author | Editor | 
|---|---|---|---|---|
| Fri Aug 14, 1987 | 13A | Audited a lecture | Jim Page | Maleska | 
| Mon Aug 15, 1977 | 31A | Attended a meeting | Evelyn Benshoof | Maleska | 
| Fri May 28, 1976 | 62A | Joined, as a class session | Paul G. Remley | Weng |