A primary source is a first-hand account of an event, examples:
Historical Primary Source: In the field of history , a primary source is a document that gives historical evidence and, typically, was created at the time being studied, by someone with first-hand knowledge, example: local gazetteers 地方志; 新方志数据库
Scientific Primary Source: In science a primary source is an original report of an experiment or observation by the researche, example:
diariesDuke Library Catalog: use Subject Headings with
Rubenstein library digital collections:
Primary sources in many formats--letters, diaries, oral histories, newspapers, pamphlets, zines, etc.--are available in Duke's Rubenstein Library, 316 Perkins.