While newspapers are not considered scholarly sources, they do provide a different perspective on topics and sometimes are the only access to the historic societal view of a topic. The UALR Ottenheimer Library offers access to hundreds of newspapers via various databases.
While reading the entire document may be too much, it does not hurt to search your topic in the Dissertations & Theses database to see if someone else has done similiar research. Skimming their bibliography can provide unique resources that might not turn up in other databases.