's-Gravenhage, Nederlandschen Oudheidkundigen Bond / Martinus Nijhoff, 1940-1971. 4 (of 5) vols. XX,582, XXIV,294, XVI,492, XVIII,263 pp. Orig. uniform hardcovers (blind stamped red cloth with gilt lettering on spines). 8vo. - Light shelfwear; cover of vol. I lightly spotted.Set of the first 4 volumes of the series: vol. I (1901-1934); vol. II (1935-1940); vol. III (1941-1950): vol. IV (1951-1960).