http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
For solo voices (SMzTB), chorus (SATB), and orchestra.
"This ... edition ... is an unabridged republication of the work as edited by Kurt Soldan and published by C. F. Peters, Leipzig, n. d."
From the Department of Performance Studies, February 2008. (copy 2)