Primary: A document or object created at the time of the event and offering an inside view of an event by someone who witnessed it.
Examples: diaries, letters, memoirs, speeches, manuscripts, interviews, statistics, treaties, laws, research articles, records of information collected by the government, organizations, committees (can all be primary sources)
Secondary: A document created after an event and expressing an opinion, argument, interpretation or analysis based on primary sources describing the original event.
Examples: history text books, historical movies and biographies (can all be secondary sources)
Document Types and Formats
Document types include:
Annual Report, Case Study, Statistics, Government Information, Interview, Image, News, Review, Standards, SWOT, Company Report, Country Report, Industry Report, Working Paper, etc.