2. An example of a secondary source is a(n) A. Letter B. Eyewitness account C. Survey D. Biography 3. An example of a primary source is a(n) A. Diary B. Biography C. History book D. Internet web site 4. A document or artifact created during a particular historical period is considered to be what type of historical source? A. Secondary Source B. Oral Source C. Primary Source D. Old Source 5. A primary source could be A. A biography B. An autobiography C. An encyclopedia D. An atlas