Fleets’ pocket almanack for the year of our Lord, 1793

Annotated and interleaved almanac in marble-paper covers with minimal annotations to the calendar pages, generally "JB" and "SB." The interleaved pages contain sporadic handwritten entries including notes about Pearson's recovery from a broken leg, farming and a diagram of planted apple trees, Harvard staff hirings, deaths in the community, ministers whose sermons he attended, and Bible citations.

Justice of the peace docket books, 1769-1808

A collection of notebooks in which Hubbard recorded both legal and personal transactions in detail, including: writs, arrests, wills, boundary disputes, damages awarded in court cases over which he presided, various payments and expenses, etc. Also included are three notebooks kept by his nephew James Hubbard, who inherited Joshua Hubbard's farm; these primarily record the sale of cider and vinegar from his farm, costs of hired labor, and bank loans.