Attempted to fully document all possible settings in config files used by convert_json_to_marc.
Attempted to fully document all possible settings in config files
used by convert_json_to_marc.

ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools