- The Story of Life in the Seas
- The Fauna of the Deep Sea
- The Stylasterina of the Siboga Expedition
- A Naturalist in North Celebes: A Narrative of Travels in Minahassa, the Sangir and Talaut Islands, With Notices of the Fauna, Flora and Ethnology of
- Die Alcyoniden Der Siboga-expedition: I. Coralliidae...