Delmonte, A., Le Bénélux d’Or: De Gouden Benelux, Amsterdam, 1964, 207pp, 33 plates; Delmonte, A., Le Bénélux d’Argent: De Zilveren Benelux, Amsterdam, 1967, 320pp, 52 plates [2]. Publishers’ cloth; very fine and clean copies of these standard references (£40-60)