Answer:
Archaeological remains and written records, are the correct answers.
Step-by-step explanation:
A historian is an individual who examines and writes about the past and is considered as a professional on it. Historians divide the material remains in two categories these are known as Archaeological remains and written records. In the Archaeological remains, the historians can include artifacts, bio-facts, architecture and cultural landscapes. At the same time, the written records include the manuscripts, inscriptions and chronicle remains etc.