WorldCat Discovery (examples: presidential rhetoric / Obama and rhetoric)
This video demonstrates using WorldCat Discovery to find books, along with narrowing to ebooks
Communication & Mass Media Complete (search example: Qanon)
This video demonstrates using Communication & Mass Media Complete, along with:
Music Periodicals Database: (search example - bruce springsteen and activism/politics)
This video will show you the magic of using Zotero (a freeware tool you can download online) to help you download citations directly from databases, organize them, and magically import them into Word/Google Docs in proper citation style.