To find books, DVDs, maps, sound recordings, manuscripts, and much more - everything except articles - use a library catalog.
OskiCat = most UC Berkeley libraries
MELVYL = all UC campus libraries, including all UC Berkeley libraries
What's the difference? more details here
For each item make sure you know the name of the physical library, call number, and whether or not it's checked out, library use only, etc.
Sample Searches in OskiCat
1. searching by keywords
keywords: frederick douglass human rights
subject: douglass, frederick
2. keyword search with truncation: human rights literatur*
* = truncation/wildcards (child* = child, childs, childhood, childish, children...)
subject: human rights in literature
modify your searches or use advanced keyword searches to limit to English, to specific years of publication, to a library location, by format (videos, maps, etc.)
save items to a list and e-mail the list to yourself
make sure you know the library location, call number and availability (checked out or not?) of the item(s) you want
11 million items and 29 libraries not enough? Try MELVYL, catalog for 10 UC campuses!