1. Boschma H (1927) On the larval forms of Rhizocephala. Proceedings of the Section of Sciences, Koninklijke Akademie van Wetenschappen te Amsterdam 30: 293–297
2. Boschma H (1928) Rhizocephala of the North Atlantic Region. The Danish Ingolf-Exped 3(10):1–49
3. Boschma H (1933) The Rhizocephala in the collection of the British Museum. J Linn Soc London 38:473–552
4. Boschma H (1935) Notes on Japanese Rhizocephala, with description of two new species. Zool Meded 18:151–160
5. Boschma H (1936) The specific characters of Sacculina rotundata Miers and Sacculina yatsui nov. spec. Zool Meded 19:1–22