http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
"Unveränderter reprographischer Nachdruck der 1. Auflage, Halle an der Saale, 1928"--Title page verso; however, bibliographic records give the original publication date as 1921.
Original edition also doctoral dissertation, University of Erlangen, 1921.
Reprint of the 1921 edition published by M. Niemeyer, Halle an der Saale.
Bausteine zur Geschichte der deutschen Literatur ; 18