Perhaps you should try some spelling variations:
"classical sources library" » "classical studies library", "classical spaces library", "classical source library", "classical resource library"
"classical case library" » "classical chaos library", "classical chinese library"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("classical sources library") OR ("classical case library")).
• Removing quotes may allow a broader search: (( classical sources library ) or ( classical case library )).
• Adding a wildcard symbol may retrieve word variants: (("classical sources library") or ("classical case library"))*.