| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Tue Oct 26, 1993 | 47A | Trig. function | Ronald C. Hirschfeld | Taub |
| Fri Mar 17, 1972 | 31D | Math ratio: Abbr. | Unknown | Weng |
| Thu Jul 27, 1967 | 52D | Civil service group. | Sara V. Tuckerman | Farrar |
| Sun Sep 17, 1950 | 114D | Cosecant: Abbr. | Alice Cook | Farrar |
| Anagrams: | CCS |