Use the Catalog search to find primary sources (qualitative or quantitative) by adding one of the following potentially helpful keywords to your search, or look for them in your search results:
- advertisements
- annual reports
- archives
- bibliographies
- catalogs (trade)
- contracts
- correspondence
- deeds
- diaries
- directories
- documents
- financial documents and records
- interviews
- invoices
- government documents
- lists
- maps
- memoirs
- minutes
- narratives
- newspapers
- pamphlets
- photographs
- sources - this can be a particularly helpful!
- tax returns
You can also try to search for documents created by a company, association, etc. by searching for the organization in the Author field.
