| Title | Publication Date | Language | Citations |
|---|---|---|---|
| Zwei neue Hymenopteren aus Dänemark | 1913/01/01 | 1 | |
| Description of a new species of Nematocera Polyneura from Denmark with notes concerning some other species | 1919/01/01 | ||
| Pediculus humanus L. et Trophi ejus. Lusen og dens Munddele | |||
| Further investigations upon the European Trichogramminae | 1920/01/01 |