Westerik, Co. Grafiek/Prints
BnM, 2006. 178 p. Including etching, no. 74/190. With: (2) Co Westerik. Aquarellen/Tekeningen. Watercolours/Drawings. Walburg, 2004. (3) Fenna de Vries. Co Westerik. Schilderijen/Paintings. Catalogue Raisonnée. De Prom, Baarn, 1999. Hc. w. dustwr.
(total 3)