Heinrichs livländische Chronik. - Henricus, sec. XIII. (OLS)http://pul/name/12342; Bauer, Albert. (OLS)http://pul/name/12343; Arbusow, Leonid, jr., 1882- (OLS)http://pul/name/1270 (Hahnsche Buchhandlung, 1955)
Comprende indice.
Bibliografia in nota.