VRIES, H. de. Werken 1954-1980. Gron. Mus., 1980. 4°. Owrps. w. dust-j. (Dust-j. slightly browned/foxed). -- B. BOGART. Dipinti 1953-61. 1962. Fol. Owrps. Signed in colophon. -- O. v. ALPHEN. De slak op het grasveld. The snail in the meadow. (1991). 4°. Owrps. -- H. RUHÉ. Het beste van W.T. Schippers. (1997). Obrds. -- C. WESTERIK. Aquarellen/Tekeningen, Watercolours/Drawings. (2004). 4°. Obrds. -- And 13 o. (18).