For contemorary topics (2000-present) these databases will allow the searchng of newspapers from around the United States:
Searching Newspapers by Title
If you are searching for a contemporary topic (1980-present) Academic Search Premier can be used to find magazine articles froma varietyof sources.
Coverage: Varies
Multi-disciplinary database of scholarly and popular articles. Includes full text, peer-reviewed journals, PDF backfiles to 1975, and searchable cited references.
Magazine Archives
Search engines can be useful for locating specific primary source documents. If you use Google, enter the names of specific documents in quotation marks.
For broader searches, add primary source keyword terms, such as documents, primary sources, or papers to your search.