These files: 

WorkedFlint.csv 	(data)
WorkedFlintFieldDescriptions.csv (data dictionary)

are the source identifications by the Flint specialist for the worked flint.

This data is the source for the flint data distributed with the publication archive. Records in the source table and the derived tables (GIS and the table FindsSummaries)  can be linked using the fields SourceRecID/ObjectID and ObjectID as appropriate.