Résultats Scientifiques du Voyage aux Indes Orientales Néerlandaises. Prosobranchia et Opisthobranchia.

1938 209 p., 36 figs, 8 (1 col.) pls, roy. 4to, paperbound (back almost broken). Published in: Mémoires du Musée royal d'Histoire Naturelle. Ex library W.S.S. van Benthem Jutting (with her stamp). Inserted is half a page of notes in her handwriting.