St Jerome – liber quaestionum Hebraicarum in Genesim. Also 8 other works. 12th-15th centuries. Donated by Robert Fleming.

Treatment:

• Mould damaged ares of parchment reinforced with hidakawashi tengu tissue, adhered with gelatine mousse.
• Isoproponol used to relax creases.
• Repairs to 37 folios.
• Three K020 fibre tissue hinges inserted using gelatine mousse between folio 1 and head edge of page stub to enable movement of folio 1 without catching on the stub.
• Partially lifted pastedown fragment on head edge of right board lightly humified and fixed in place to prevent repeated catching of the parchment.