FLEMISH ART, 17TH-CENTURY -- ERTZ, Klaus. Jan Breughel the Younger (1601-1678) .... Flemish Painters in the Circle of the Great Masters Volume 1, Freren: Luca, 1984, 4°, illustrations, some coloured, cloth -- R. -A. D' HULST. Jacob Jordaens, [Stuttgart: Klett-Cotta, 1982], 4°, illustrations, some coloured, cloth, dust-jacket. With Jean-Pierre de Bruyn's Erasmus II Quellinus (Freren, 1988), Alexander Wied's Lucas und Marten van Valckenborch (Freren, 1990) and Dorothea Bieneck's Gerard Seghers (Lingen, 1992). (5)