http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Guide to reference books. Third supplement, 1969-1970
Winchell, Constance M. (Constance Mabel)
compiled by Eugene P. Sheehy ; with the assistance of Rita G. Keckeissen and Eileen McIlvaine.
Supplement to: Guide to reference books / Constance M. Winchell.