How are Ulrichs Subjects assigned to serials?
The publishers who provide Ulrich’s with EDI data may select and assign Ulrich’s subjects to their publications. If a publisher does not designate an Ulrich’s heading, but provides a Dewey or LC subject classification, the Ulrich’s editorial team maps the original heading to an Ulrich’s subject and stores the original classification in the Ulrich’s record. If data are received without pre-assigned Ulrich’s headings or without Dewey or LC subjects, the editorial team determines and assigns one or more Ulrich’s headings based on the publisher’s content description, information from the publication’s website, or other sources. A title in Ulrich’s may be classified under as many as four (4) Ulrich’s subjects, although the vast majority of titles are classified under one heading or a heading and sub-classification. The inclusion of Dewey and LC classifications in addition to Ulrich’s headings means that records have multiple access points at the subject level.