Every publication in the Crossref system is assigned a unique publication ID. These are used mostly for internal purposes, but may be useful when retrieving data in bulk or identifying a specific title. Publication IDs may be retrieved via the following:
An OAI-PMH ListSets request will return titles and publication IDs for journals, books, conference proceedings, and series-level data:
- Journal data: http://oai.crossref.org/OAIHandler?verb=ListSets
- Non-journal data: http://oai.crossref.org/OAIHandler?verb=ListSets&set=B
J (journal) is the default set, set=B must be specified to retrieve book or conference proceeding titles, S for series-level titles. Sets may be further limited by publisher prefix, details are available in Using OAI-PMH.
The publication ID is listed within the <setspec> element, after the set and publisher prefix. For example, within the following set, 24 is the publication ID for Journal of Clinical Psychology:
<setName>Journal of Clinical Psychology</setName>
Browsable title list
The Browsable title list includes the publication ID next to each title in the search results, select to reveal the ID. For most purposes, publication IDs are always preceded by the publication type (J, B, or S).
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