Published in Arch. Naturgesch., in 1922, in volume 87, pages 258-276

Published in Archiv für Naturgeschichte, in 1922, in volume 88, pages 1-134

Published in Archiv für Naturgeschichte, in 1922, in volume 88, issue 5, pages 140-229

Published in Archiv für Naturgeschichte, in 1922, in volume 88, issue 12, pages 169-170