Type in these EXACT subject terms one at a time in our SAU Library Central in the box above this one. Choose SUBJECTS in the drop down if you are in the Advanced Search screen. Any titles not on SAU library shelves can be gotten for SAU students and sent to our campus. (See the "Obtaining Materials" box to the right of this box)
Also try typing "Cambridge Companions to Philosophy" into a Title search in the Advanced Search screen of Library Central.
If you are not an St. Ambrose University user, your local public library may have access to various databases that are subscription based. Call and ask your public library for details.