Crossword puzzle clue "first second etc"

First, second, etc.

First, second, reverse, etc.

First name of the second first lady

Etc., etc.

Second a second-story man

Second second thought, for short

First word across in the first-ever crossword (1913) and the first of a dozen appearances of the word in this puzzle's grid, written word search-style (left, right, down, and diagonally) ... Can you f

First second son