Published in Sitzungsber. K. Akad. Wiss., Math.-Naturwiss. Kl., in 1909, in volume 118, pages 275-452

Published in Sitzungsber. K. Akad. Wiss., Math.-Naturwiss. Kl., in 1909, in volume 118, pages 1157-1246

Published in Sitzungsber. K. Akad. Wiss., Math.-Naturwiss. Kl., in 1909, in volume 118, pages 1461-1552