Historical source (also known as historical material or historical data) is original source that contain important historical information. These sources are something that inform us about history at the most basic level, and these sources used as clues in order to study history
Historical sources include documents, artifacts, archaeological sites, features. oral transmissions, stone inscriptions, paintings, recorded sounds, images (photographs, motion pictures), and oral history. Even ancient relics and ruins, broadly speaking, are historical sources.
History: Primary & Secondary Sources
They can be firsthand testimony or evidence created during the time period that you are studying. Primary sources may include diaries, letters, interviews, oral histories, photographs, newspaper articles, government documents, poems, novels, plays, and music.