Published in Ber Ned Ent Ver, in 1911, in volume 3, pages 118-126

Published in Ber Ned Ent Ver, in 1911, in volume 3, pages 137-139

Published in Ber Ned Ent Ver, in 1911, in volume 3, pages 183-191

Published in Entomologische Berichten (Amsterdam), in 1911, in volume 3, issue 61, pages 165-175