Theme of this puzzle, as hinted at by 17-, 23-, 45- and 59-Across

Clue: Theme of this puzzle, as hinted at by 17-, 23-, 45- and 59-Across

We have 1 possible answer for the clue Theme of this puzzle, as hinted at by 17-, 23-, 45- and 59-Across which appears 1 time in our database.