Disclaimer: I am not a cataloger, the following advice may rest on inaccurate assumptions. Looking around PyPi, maybe it could be done by these two libraries together? https://pypi.org/project/pymarc/ https://pypi.org/project/marcxml2mods/ -Marijane On 2019/03/04, 12:03 PM, "Code for Libraries on behalf of Goodwin, Shawn" <[log in to unmask] on behalf of [log in to unmask]> wrote: Hi All, I was looking at this website: https://www.loc.gov/standards/mods/mods-mapping.html#mapping Is there a python library (or even just a JSON file) that transforms MARC to MODS? -- Shawn Goodwin Metadata Control Analyst | ATLA<http://www.atla.com/> 300 South Wacker Drive, Suite 2100 Chicago, IL 60606