http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
with excerpts from the theoretical works of Praetorius ... [et al.] and numerous examples from the literature of the 17th and 18th centuries
Hermann Keller ; translated and edited by Carl Parrish.
Translation of: Schule des Generalbass-Spiels.