The NLM Catalog provides access to NLM bibliographic data for over 1.4 million journals, books, audiovisuals, computer software, electronic resources, and other materials. Updated every weekday, the NLM Catalog is an alternative search interface to the bibliographic records in LocatorPlus. Links to the library’s holdings in LocatorPlus, NLM’s online public access catalog, are also provided.
The NLM Catalog contains detailed MEDLINE indexing information for the journals in PubMed and other NCBI databases. The Journals Database has been retired.