MeSH Authority Records with LCSH Mapping Data, 2019: a Binary File

This is a file of Medical Subject headings (MeSH) authority records with Library of Congress Subject Headings (LCSH) mapping data which are entered into 750, 780, and 788 MARC linking entry fields. The mapping data has been updated to account for changes to MeSH and LCSH between 1990 and 2019. There are 13,453 authority records in this file. The records are in MARC 21 format, and the file has been compressed as a zip file.