http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Classification of black pottery pigments and paint areas
by Florence M. Hawley and Fred G. Hawley.
Reprint. Originally published: Albuquerque : University of New Mexico Press, 1938.
University of New Mexico bulletin. v. 2, no. 4