You can find links to individual databases on the Library homepage under the heading "Research", subheading "Search for Sources" and link "Find all of our databases with A-Z Databases". Select databases that are relevant to your research topic.
Read the descriptions! Select more than one relevant databases.
General databases are Academic Search Complete and MasterFILE Complete.
Other possible databases:
Health Source: Nursing/Academic Edition
Psychology and Behavioral Sciences Collection
Newspaper Source Plus
America: History and Life with Full Text
Civil War Primary Source Documents