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:
You can also try to search for documents created by a company, association, etc. by searching for the organization in the Author field.
CLIO is the library catalog for the Columbia Library System (including Barnard Library, but excluding Teachers College and some information from the Law Library). In CLIO you can find books and media materials, search for different kinds of databases, and find articles within those databases as well.