What did John Adams' father do during the winter to keep earning an income?
A. He made wagon wheels.
B. He herded cattle.
C. He was a shoe maker.
D. He delivered mail.

I believe he was a shoe maker!

Adams was primarily a farmer during the growing season, and also worked as a shoemaker, for which he earned “hard money” as a trade during the winters. He was a freeholder, who owned rather than rented his land

Apocrypha is the answer your looking for