Many of the databases available to you are from the Ebscohost vendor (publisher) and can be searched together to save you time and remove duplicate sources.
For example, Academic Search Premier; America. History and Life with Full-Text; Business Source Complete; Communication & Mass Media Complete; Criminal Justice Abstracts; ERIC; Education Research Complete; PsychINFO; MLA International Bibliography....
Once in one database, click on - Choose Databases - to add additional databases.
Search Proquest databases together: PAIS; Aerospace Database; GenderWatch; Linguistics and Languge Behavior Abstracts; Public Health; Worldwide Political Science Abstracts...