We have one possible crossword answer and solution for "With 39-Across, signer of the 23-/51-Across" in our New York Times Crossword puzzle database.
Possible Answer for this clue is :
ABRAHAM
If there is another solution for this crossword clue - "With 39-Across, signer of the 23-/51-Across", let us know. Please send it to us and we will add it into our New York Times Crossword database.