2. Antwerpen, Standaard-Boekhandel, 1948, 22 x 16,5 cm, publisher's cloth with d.w. (d.w. worn) , 354 pp. (with some minor marginal annotations).
2. Antwerp, Standaard-Boekhandel, 1940, 22 x 16,5 cm, sewn, orig. wrapper., bibliography. First edition. Text in Dutch. Boek in het Nederlands.