http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
API : periodicals indexed and books catalogued by the British Architectural Library
Quarterly (with the 4th issue being annual cumulation)
Latest issue consulted: Volume 41, number 4, part 2 (Jan. to Dec. 2013).
"Periodicals indexed and books catalogued by the British Architectural Library."
Annual cumulation published in 2 vols., 2007-2013.