Primary Sources

These are materials, which are the most authentic and original. They usually take the form of a a monograph, journal article, dissertation, report or a patent. These materials are also referred to as primary as they have not passed through any filtering mechanism like condensation, interpretation or evaluation and are the original work of the author. The primary sources are generally very large in number and can be usually accessed with the help of some secondary source like, an indexing service or an abstracting service.