These links will help you locate print & online book resources on Social Work in the library catalog.
Primary vs. Secondary Resources
There are some great resources available on the web for determining whether a resource is considered primary or secondary.
Check these out:
Primary, Secondary and Tertiary Sources from the University of Maryland Library at
Primary vs. Secondary Resources from the UW-Parkside Library
How to Distinguish Between Primary and Secondary Sources from the University of California, Santa Cruz Library