The Charles E. Young Research Library holds a large selection of print and electronic reference resources for current and historical research, including encyclopedias, handbooks, dictionaries, historical and biographical dictionaries, bibliographies, gazetteers, and atlases.
The Library provides access to many electronic handbooks. To find them, go to the UCLA Library Catalog and under the "title search" option type your title that you are looking for.
Links to some of them are here: