Primary Sources are:
Secondary Sources are:
| Primary Sources | Secondary Sources |
|---|---|
|
Autobiographies and memoirs |
Bibliographies |
| Diaries, personal letters, and correspondence |
Biographical works |
|
Interviews, surveys, and fieldwork |
Reference books, including dictionaries, encyclopedias, and atlases |
|
Internet communications on email, blogs, listservs, and newsgroups |
Articles from magazines, journals, and newspapers written after the event took place |
| Photographs, drawings, and posters |
Literature reviews and review articles (e.g., movie reviews, book reviews) |
|
Works of art and literature |
History books and other popular or scholarly books |
|
Magazine and newspaper articles published as firsthand, eyewitness accounts |
Works of criticism and interpretation |
|
Public opinion polls |
Commentaries and treatises |
|
Speeches and oral histories |
Textbooks |
|
Original documents (birth certificates, property deeds, trial transcripts) |
Indexes and abstracts |
|
Research data, such as census statistics |
|
|
Official and unofficial records of organizations and government agencies |
|
|
Artifacts of all kinds, such as tools, coins, clothing, furniture, etc. |
|
|
Audio recordings, DVDs, and video recordings |
|
| Government documents (reports, bills, proclamations, hearings, etc.) | |
|
Patents |
|
| Technical reports | |
| Scientific journal articles reporting experimental research results |