Israel’s National Library has uploaded around 200 documents from the years 1500 to 1800. European Jewish communities used these “pinkasim” to keep track of financial transactions, political happenings, relations with non-Jewish government bodies, and even humorous events.

https://www.timesofisrael.com/nation-library-offers-glimpse-of-old-jewish-life-in-europe/

http://web.nli.org.il/sites/NLI/English/collections/jewish-collection/pinkassim/Pages/default.aspx