Original manuscripts, records, or documents produced at the time an event occurred. Includes letters, diaries, memoirs, newspapers, personal papers, public documents, field research reports, etc.
anything archaeological or written which comes from the same time as the person or event being studied. If it is an artefact, it is an object that was made or constructed in the period being studied. If it is a written source, it is something that was written or reported by a person in the time being studied.