Use the Drew Library Catalog to find books:

The simplest way to find a video on your topic is to search YouTube.  

When you search YouTube, the search tool uses an implied AND, but to make certain that your search is on target, enclose phrases in quotation marks:

• "attention deficit"
• "posttraumatic stress"

If you use alternative terms for one of your component variables, enclose those terms in parentheses:

• "social anxiety (teen* OR adolscen*)
• "borderline anxiety disorder" (treatment OR therap*)