1. Opisthobranchs from Australia;ALLAN;Records the Australian Museum,1933
2. Opisthobranchia of Kii, middle Japan;BABA;Journal of the Department of Agriculture of Kyushu Imperial University,1938
3. A revised list of the species of Opisthobranchia from the northern part of Japan, with some additional descriptions;BABA;Journal of the Faculty of Science of Hokkaido University, Series 6, Zoology,1957
4. Egg masses of 27 Caribbean opisthobranchs from Santa Marta, Colombia;BANDEL;Studies on Neotropical Fauna and Environment,1976