Google Scholar is an easy way to do interdisciplinary research, and with some settings changes can become even more useful. You need a Google account to use these features.
Make Google display links to full text of articles that Berkeley subscribes to:
In Google Scholar, click on the gear icon in the upper right corner, and choose 'scholar preferences'. In the next screen, choose Library Links from the left-hand menu. In the search box, type the word Berkeley.
In the list of options that appears, check the boxes for anything University of California, Berkeley.
Search and preview millions of books and journals digitized from library collections such as UC Berkeley. Titles out of copyright are available in full.
Searches the full text of books and many journal runs on many subjects, including some from the University of California libraries. The full text of a book can be displayed only if the book is out of copyright (generally, published before 1923).