Bruxelles, Musée royal d'Histoire naturelle de Belgique, 1933-1939. Large 4to (33.0 x 25.0 cm). In 58 issues. Numerous pages, plates, and text figures. Original, uniform printed wrappers.

The complete results of this expedition. A massive set. Volume 1. Introduction (1933), in one issue. This is the general part, describing the edition; Volume II (in two issues). This volume deals with marine zoology: 1re Partie, fascicules 1-16 (1934). Contains all marine groups except Crustacea and most shelled Mollusca; Volume II. 2me Partie, Fascicules 17-20 (1939). this part deals exclusively with shelled Gastropoda, and Bivalvia, and Scaphopoda; Volume III, Fascicules 1-19 (1930-1938; in 19 issues, each in printed wrappers). This volume deals near exclusively with Arthropoda, except Insecta and Hexapoda. It does include Echinodermata; Volume IV (1931-1935; in 13 issues: unnumbered (Hexapodes), 1-12; each in printed wrappers). This volume deals nearly exclusively with Insecta; Volume 5 (1930-1937), fascicules 1-4. This volume deals exclusively with vertebrates; Volume VI, fascicule 1 (1932). Deals with the botany and this part on algae is all that was published). Uncut. Wrappers of the first three, very heavy volumes detached, edges frayed. A few small stamps on wrappers. Wrappers of the less voluminous parts generally very good, clean. Internally a very good, clean, and complete set.