If the Summon results are overwhelming, it might be helpful to search in subject-specific databases. From the Databases tab on the Libraries homepage, you can search Databases A-Z for a specific database, or use the link to browse databases by subject, type, or vendor.
UNC databases do not look the same and they each have special features. The common way to search each database is by keyword. Below are a few tip to keyword searching in a general database, Academic Search Premier.
Each database has different limiters, but the common ones are Date of Publication and Type of Publication. Limiters allow you to focus your search and exclude unwanted information. Limiters are very useful if you have an overwhelming number of results.