Library of Congress Subject Heading Validator

Checks whether a subject heading string is constructed correctly under the Subject Headings Manual. Hover a citation such as H 1095 sec. E.3 to read the rule.

Validate a heading

One heading per line; MARC fields are fine. Cmd/Ctrl+Enter validates.
Try:

Or pull the subjects from a record by LCCN

Resolved through id.loc.gov/resources/instances/identifier/<lccn> and the instance's BIBFRAME description; subjects from the Work are listed below.