1. A study of the nervous system of the Sipunculoideae with some remarks on the development of two species Phascolion strombi Montagu and Golfingia minuta Keferstein;Åkesson;Undersökningar över öresund,1958
2. The development of Golfingia elongata Keferstein (Sipunculidea) with some remarks on the development of neurosecretory cells in sipunculids;Åkesson;Ark. Zool. (Ser. 2),1961
3. Some observations on pelagosphaera larvae;Åkesson;Galathea Rept.,1961
4. The reproductive organs of Phascolosoma gouldii;Andrews;Zool. Anz.,1889
5. Notes on the anatomy of Sipunculus gouldii Pourtalès;Andrews;Johns Hopkins Univ. Biol. Lab. Stud.,1890