http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Animal skin -- Methods of processing skin -- Skin products in their historical context -- Parchment: its nature and mode of production -- Skin materials and the archaeologist/conservationist -- The examination of skin writing materials in UV light -- Chemical tests for tanning agents in ancient skin materials -- The physical examination of parchment and leather.