b'William PerehudoffAC, acrylic on canvas,xinches (. x . cm)Signed, Titled and Dated on Verso ProvenanceRothmans Corporate CollectionLiteratureRoald Nasgaard, Abstract Painting in Canada, Toronto/Vancouver, , pp. . Nancy E. Dillow, William Perehudoff: Recent Paintings, Norman Mackenzie Art Gallery, Regina, , pp. '