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

This is a file of Library of Congress Subject headings (LCSH) authority records with Medical Subject Headings (MeSH) 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 14,230 authoirty records in this file. The records are in MARC xml format, and the file has been compressed as a zip file.