http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
geology of the North Staffordshire coalfields
by Walcot Gibson ; with contributions by George Barrow and C.B. Wedd ; and a Palaeontolical account, with list of fossils, by John Ward.
Memoirs of the Geological Survey of Great Britain