| Old Christmas gift? | 19 |
| Old Chrysler | 12 |
| Old Chrysler chief Lee | 22 |
| Old Chrysler division | 21 |
| Old Chrysler make | 17 |
| Old Chrysler model | 18 |
| Old Chrysler offering | 21 |
| Old chum | 8 |
| Old church desk | 15 |
| Old Church of England foe | 25 |
| Old Church of England opponent | 30 |
| Old Church of England opponents | 31 |
| Old CIA foe | 11 |
| Old CIA plane | 13 |
| Old CIA rival | 13 |
| Old cigarette ad buzzword | 25 |
| Old cinemas | 11 |
| Old circuit breakers | 20 |
| Old city buried by the eruption of Mt. Vesuvius | 47 |
| Old city near Carthage | 22 |
| Old city of Asia Minor | 22 |
| Old city of self-indulgers | 26 |
| Old city of Sumeria | 19 |
| Old Clara-Clarence romance? | 27 |
| Old classic cars | 16 |
| Old Claude Akins sitcom | 23 |
| Old Clay | 8 |
| Old cleaning vessel | 19 |
| Old clerical cap | 16 |
| Old clerical scarf | 18 |
| Old Cleveland-based gas company | 31 |
| Old clock | 9 |
| Old cloth | 9 |
| Old cloth measure | 17 |
| Old cloth measures | 18 |
| Old clothes | 11 |
| Old club | 8 |
| Old clubs | 9 |
| Old co. with overlapping globes in its logo | 43 |
| Old coach | 9 |
| Old coat material | 17 |
| Old codger | 10 |
| Old codgers | 11 |
| Old coffeehouse drum | 20 |
| Old cohort of McCartney | 23 |
| Old coin | 8 |
| Old coin of Africa | 18 |
| Old coin of Europe | 18 |
| Old coin of France | 18 |
| Old coin of Greece | 18 |
| Old coin of India | 17 |
| Old coin of India (anagram of HUMOR) | 36 |
| Old coin of Italy | 17 |
| Old coin of Japan | 17 |
| Old coin of Riga | 16 |
| Old coin of Siam | 16 |
| Old coin of Spain | 17 |
| Old coin of Turkey | 18 |
| Old coin of Venice | 18 |
| Old coin with an accented first letter | 38 |
| Old coin with three fleurs-de-lis on its back | 45 |
| Old coin worth five centesimi | 29 |
| Old coin worth five francs | 26 |
| Old coin? | 9 |
| Old coins for the Trevi Fountain | 32 |
| Old coins in Caen | 17 |
| Old coins in England | 20 |
| Old coins of France | 19 |
| Old coins of Japan | 18 |
| Old coins of Naples | 19 |
| Old coins of Riga | 17 |
| Old coins of Siam: Var. | 23 |
| Old cold block mover | 20 |
| Old cold-block bringers | 23 |
| Old Colgate competitor | 22 |
| Old Colgate rival | 17 |
| Old coll. entrance hurdle | 25 |
| Old collar stiffeners | 21 |
| Old collector of illegal tolls | 30 |
| Old college building feature | 28 |
| Old college cheer | 17 |
| Old college cry | 15 |
| Old college thing? | 18 |
| Old college ___ | 15 |
| Old college, e.g. | 17 |
| Old colonial region | 19 |
| Old colonnade | 13 |
| Old Colony's neighbor | 25 |
| Old Colorado Indian | 19 |
| Old ColorTrak TVs | 17 |
| Old Colosseum judge | 19 |
| Old columnist Maxwell | 21 |
| Old come-on in book ads | 23 |
| Old comedian known for his unique piano-playing style | 53 |
| Old comedy team | 15 |
| Old comic "Out ___ Way" | 33 |
| Old comic actor's Little Bighorn headline? | 46 |
| Old comic actress ___ Janis | 27 |
| Old comic book cowboy | 21 |
| Old comic strip "___ an' Slats" | 45 |