Published in Deutsche Entomologische Zeitschrift, in 1921, in volume 1921, pages 33-52

Published in Deutsche Entomologische Zeitschrift, in 1921, in volume 1921, pages 81-83

Published in Deutsche Entomologische Zeitschrift, in 1921, in volume 1921, pages 109-114

Published in Deutsche Entomologische Zeitschrift, in 1921, in volume 1921, pages 163-180

Published in Deutsche Entomologische Zeitschrift, in 1921, in volume 1921, pages 187-223

Published in Deutsche Entomologische Zeitschrift, in 1921, in volume 1921, pages 286-288