Source

Source may refer to:

==Research== Historical source Source (intelligence) or sub source, typically a confidential provider of non open-source intelligence Source (journalism), a person, publication, publishing institute or other record or document that gives information Source document, a document in which data collected for a clinical trial is first recorded Source text, in research (especially in the humanities), a source of information referred to by citation Primary source, a first-hand written evidence of history made at the time of the event by someone who was present Secondary source, a written account of history based upon the evidence from primary sources Tertiary source, a compilation based upon primary and secondary sources Sources (website), a directory of expert contacts and media spokespersons Open source, a philosophy of dissemination of intellectual products