http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
2 volumes : illustrations, portraits ; 22 cm.
Volume 1: 22. Aufl.; volume 2: 21. Aufl.
Volume 2 was completed after the author's death by T. Ziegler, with the exception of chapter 15, "Goethe als Naturforscher," contributed by S. Kalischer, and notes on Goethe's poems set to music, contributed by M. Friedlaender. cf."Vorbemerkung des Verlegers," volume 2.