Library catalogers use the subheading "Sources" at the end of a string of subheadings to indicate anthologies of primary sources. However, cataloging is not a perfect science, so not every collection of primary sources has this subheading. For example, a search for the keyword phrase "documentary sourcebook" in the WU Libraries' catalog produces seven titles, only three of which have "sources" as a subheading. In other words, performing a subject search will not produce a complete list of all primary source collections. Sometimes the source one wants to find is not in an anthology but cited in a bibliography of another work. You might want to try an advanced search with a combination of subject headings and keywords like “sources,” "sourcebook," "primary sources," "primary documents," etc.
A very selected list of document collections in English held by Olin Library.
Many other newspapers are available on interlibrary loan from the Center for Research Libraries. We are a member institution with borrowing privileges. You may search the CRL newspaper catalog below.