This is a three mark question. So the answer can be broken down into two main points:
Definition and example of literary sources
Definition and example of archaeological sources.
Answer:
Written records of history are known as literary sources. Examples Vedas, Brahamanas, Aranyakas, Upanishads, Sutras, Epics, Puranas and the Buddhist and Jain books.
The material remains of history are known as archaeological sources. Example: Old buildings, pottery, things of everyday use, coins and inscriptions