HOLLIS+: The Place to Start
HOLLIS+ is the newest version of the library catalog. It allows you to search for both books and articles in a single, simple search interface, while offering many options for refining search results and constructing more precise searches. For non-Roman searching (i.e., Cyrillic) there are some caveats. It's a great way to get started.
E-Research: Mine the Databases
Research Guides: Dig In
Librarians across the University have created research guides to help you locate resources. Whether it's statistics and data, government documents, comparative literature, archives and manuscripts, or many, many other topics, the chances are there's a research guide that can get you started. Don't miss the one for Slavic studies.
HOLLIS Classic: It's (Sometimes) Better
Get to Know Your Portal
The main portal for the entire Harvard Library system consolidates library resources and information in one starting place. For more detailed information on just the major libraries of the Faculty of Arts & Sciences, you can also check out the hcl.harvard.edu portal.