Sammlung Herbert Girardet. Holländische und flämische Meister.
Introd. and cat. by Horst Vey. Exhib. cat. Wallraf-Richartz-Museum, Cologne, 1970. 207 pp. , 94 ills. in b/w and 16 in col. , oblong 4to, orig. wrappers.
Introd. by H. van Os. Exhib. cat. Museum voor Stad en Land, Groningen, 1969. 66 pp. , 53 ills. in b/we and 1 in col. , small 4to, orig. wrappers (discol.)