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Alte Hymenopteren
Published in Berliner Entomologische Zeitschrift, in 1907, in volume 51, pages 303-333
Neue Blattwespen
Published in Deutsche Entomologische Zeitschrift, in 1907, in volume 1907, pages 489-497
Brassoliden-Studien
Published in Berliner entomologische Zeitschrift, in 1907, in volume 1907, issue 10, pages 160-179