Archives | Artifacts |
Artworks | Audio recordings |
Biographies and autobiographies | Blogs |
Books | Brochures |
Census data | Charts |
Conferences | Corporate earnings reports |
Databases | Diaries |
Documentaries | Documents |
Encyclopedias | Expert opinion |
Eyewitness accounts | Government publications |
Historical records | Industry publications |
Interviews and interview transcripts | Journals |
Lectures | Legal records |
Letters | Magazines |
Manuscripts | Maps |
Media such as films | Memoirs |
Museums | Newspapers |
Online forums | Pamphlets |
Patents | Photographs |
Podcasts | Postcards |
Presentations | Public records |
Public speaking | Ratings and reviews |
Scientific data | Social media posts |
Speech transcripts | Studies |
Textbooks | Theses and dissertations |
Trade publications | Videos |
Websites | White papers |
Wikis |
Types of Sources
Primary Sources
Original materials and first hand accounts by those directly involved. For example, an overview of a theory by the academic who founded the theory.
Secondary Sources
Interpretations, analysis, summaries and commentary based on primary sources. For example, an analysis of a theory by a writer.
Tertiary Sources
Compilations or reference works such as an encyclopedia or dictionary.
