PRIMARY SOURCES of data provides direct or firsthand evidence about an event, object, person, or work of art. Primary sources include historical and legal documents, eyewitness accounts, results of experiments, statistical data, pieces of creative writing, audio and video recordings, speeches, and art objects.
GOVERNMENT DOCUMENTS ABOUT A NEW POLICY
PHOTOGRAPHS OF HISTORICAL EVENT
MUSIC RECORDINGS
ORIGINAL RESEARCH
RESULTS OF AN OPINION POLL
EMPIRICAL STUDY
DIARY ENTRIES
LETTERS
ESSAY OF PHILOSPHER
PAINTING