Every catalog record has a particular format consisting of standard entry tags. The most common format is the MARC format with MARC entry tags. e-catalog allows the search to be limited to certain fields and entries within a record. When searching by words or phrase or when searching by everything, type your search expression followed by the entry tag(s) enclosed in braces in the appropriate text field.
Example: CHOPIN {100}
e-catalog searches for items written by Chopin.
e-catalog locates only the specified entries/fields in the records for your search term.
Refer to the following table for some of the most common US MARC entry tags.
| Entry Tag | Definition |
| 020 | ISBN |
| 100 | Personal author main entry |
| 245 | Main title and statements of responsibility |
| 260 | Publication information including date published |
| 300 | Physical Description |
| 440 | Series title entry |
| 500 | General note |
| 505 | Contents note |
| 520 | Summary or abstract |
| 521 | Audience - nice when looking for web sites. |
| 650 | Topical subject heading |
| 651 | Geographical subject heading |
| 655 | Genre |
| 710 | Added corporate author |
Refer to the following table for some of the most common Technical Report entry tags.
| Entry Tag | Definition |
| AUTH | Personal author(s) |
| CONN | Contract number |
| CORP | Corporate author |
| CTTL | Classified title |
| TITL | Unclassified title |
| DATE | Date entered |
| DESC | Descriptors |
| IDEN | Identifiers |
Other formats may use different entry tags and fields appropriate to the database you are searching.
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