Oskicat. UC Berkeley libraries catalog. Includes records for most UCB library materials, including books, e-books, journal and e-journal titles, films and videos, maps, archival materials, and much more. See also the Quick Guide to Oskicat and Oskicat Tutorial.
Melvyl. Catalog for all UC Campus libraries, including selected libraries on campus not in Oskicat, e.g. the Boalt Law Library. Why use Melvyl? It includes thousands of scholarly journal articles and links to WorldCat, which gets you into the collections of libraries around the world.
Using keywords some examples:
Using ancient egypt in library catalogs and data bases will retrieve any record that contains these three words.
Use quotation marks to retrieve only relevant records: "ancient egypt"
Truncating words using an asterisk will retrieve more related records: egypt* will retrieve egypt, egypt's and egyptian
Use broad terms for finding encyclopedias, bibliographies, general history of a country, indexes: encyclopedia* ancient egypt"
Use focused terms when searching for articles or books related to your topic: tomb* thoth