- On Some new and Little Known Diatoms. Communicated to the Royal Swedish Academy of Sciences September 15, 1880
- Plankton-researches In 1897
- The Plankton Of The North Sea, The English Channel And The Skagerak In 1898
- The Seasonal Distribution of Atlantic Plankton Organisms
- Beitr�ge Zur Kenntniss Der Arctischen Diatomeen