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