The Melvyl catalog contains records for materials (books, journals, movies, maps, music scores and recordings, computer files, dissertations, government documents, etc.) held by the libraries of the ten UC campuses, Hastings College of the Law, the California Academy of Sciences, the California Historical Society, the Center for Research Libraries, the Graduate Theological Union, and the Lawrence Berkeley National Laboratory. All publication dates are included. The database contains over 25,000,000 records, and most campuses update their holdings on a weekly basis.
Use the FIND command to search for book (including other materials listed above) and periodical (or journal) records. The primary indexes for books include:
| Personal Author | AU, PA, PN, Author |
| Exact Personal Author** | XAU , XPA, XPN, Exact author (lastname, firstname) |
| Corporate Author | CA, CN, Corporate Author |
| Exact Corporate Author | XCA, XCN, Exact CA, Exact CN |
| Title Words | TW, Title |
| Exact Title** | XT, Exact Title (title begins with) |
The primary indexes for periodicals include:
| Periodical Title Words | PE |
| Exact Periodical Title** | XPE, Exact PE (periodical title begins with) |
| Series | SE, Series |
| Subject | SU, Subject |
| Exact Subject** | XS, XSU, Exact Subject (subject heading begins with) |
**Note: You must always end your exact index searches with a truncation sign, * or ?
For example:
FIND CA CALIFORNIA HISTORICAL SOCIETY
FIND PA WALKER, ALICE
FIND SU BACTERIAL GENETICS
FIND FIND XS AMERICAN PROSE LITERATURE WOMEN AUTHORS?
FIND PE DIGEST SOVIET PRESS
FIND XPE NEWSWEEK*
Use the DISPLAY command to display the records that result from your FIND command. Type DISPLAY (or D) for a Short display with author, title, and call number. You can also use the LONG or REVIEW options. For example:
DISPLAY DISPLAY LONG D REVIEW
Other DISPLAY options include the following:
| CIT | Bibliographic citation, no holdings |
| LONG | Full bibliographic citation with holdings |
| REVIEW | Author, Title, Date, no holdings |
| TAGS - SHORT | Short bibliographic citation with field tags, no holdings |
| TAGS | Default Tags display, same as TAGS-SHORT |
| TAGS - LONG | Full bibliographic citation with field tags, no holdings |
| MARC | Full MARC record |
You can only have one display option in your DISPLAY command.
| FIELDS option | You may specify one or more fields for a custom display. For example: D 1-5 AU TI CT (This will display author, title, and series.) |
Type HELP with a term at any time to receive assistance. HELP and EXPLAIN can be used interchangeably and can be abbreviated as H and E.
Use an EXPLAIN command at any time to receive an explanation. For example:
| EXPLAIN FIND | EXPLAIN DISPLAY |
| EXPLAIN INDEXES | EXPLAIN COMMANDS |