Published in Archiv für Naturgeschichte. Berlin, in 1921, in volume 86, pages 114-147

Created: 2010-11-21, modified: 2012-03-23

Published in Archiv für Naturgeschichte (A), in 1921, in volume 86, issue 8, pages 170-183

Created: 2013-03-02, modified: 2013-03-02

Published in Archiv für Naturgeschichte (A), in 1921, in volume 87, pages 146-207

Created: 2013-02-21, modified: 2013-02-21