"3. Brussels, Archives et bibliothèques de Belgique, (1996), in-8°, 556 pp, ca 25 b/w ills., printed paper. The article of ca. 20 pp published here in this periodical issue. The complete issue is offered here (containing another 11 articles). Interesting article of an antiquarian bookdealer on the workings of the book auction market and the socalled knock-out or ring activity; and its legal implication throughout Western Europe.."