Question

How can you tell that Benjamin Franklin’s Proposal is a primary source document?

Answer 1

as an autobiography was written by someone else but about him therefore is a primary source

Answer 2

An autobiography is a primary source. Authors of autobiography’s are direct witnesses of the events and time described in the narration. Even though autobiographies are usually written after these events happened, they are still categorized as primary sources given the first-hand information, like letters or pictures they provide.