Pierre Théberge, Guido Molinari. Ottawa, National Gallery of Canada, 1976. 160 pp., illus. ,$17.50 (paper) / Terry Fenton, Jack Bush: A Retrospective. Toronto, Yorkville Press and Art Gallery of Ontario, 1976. Unpaginated, illus., $9.95 (paper) - Zemans, Joyce (RACAR : Revue d'art canadienne / Canadian Art Review)