Free databases, manuals, and guides you might find useful.
Bookpage
Reviews and recommendations.
California History Resource Guide A social, cultural, census and geographic guide to California history.
Calsiphere
This is the University of California's free public gateway to a world of primary sources about the history, and culture of California.
Citation Machine
Citation Machine is an interactive web tool designed to assist high school, college and university students, their teachers, and independent researchers in their effort to respect other people's intellectual properties.
CliffsNotes
Summaries and commentary for hundreds of literary classics.
Kelley Blue Book
Find pricing and reviews for new and used cars.
Librarians’ Internet Index (LII)
Search and browse this website for the best of the Web. It has over 20,000 entries, also maintained by librarians, and organized into 14 main topics, and nearly 300 related topics.
NADA Guides
Pricing information for new and used vehicles, including motor homes, motorcycles, boats, and other recreational vehicles.
Online Archive Catalog of California
The OAC includes single, searchable database of "finding aids" to primary sources and their digital facsimiles.
WorldCat
WorldCat is the largest library network in the world. You can search for popular books, music CDs and videos—all of the physical items you're used to getting from libraries.