Published in Jahrbuecher Des Vereins Fuer Naturkunde Wiesbaden, in 1910, in volume 63, pages 2-7

Published in Jahrbuecher Des Vereins Fuer Naturkunde Wiesbaden, in 1910, in volume 63, pages 114-118

Published in Jahrbuecher Des Vereins Fuer Naturkunde Wiesbaden, in 1910, in volume 63, pages 200-205