1. Selected impressions : : Recent Acquisitions of Master Prints from the Fifteenth to the Twentieth Century (exhibition Toronto, Art Gallery of Ontario, 2.06 - 8.07.1979 ; Sudbury, Museum and Arts Centre, 23.10 - 11.11.1979 ; Windsor, Art Gallery of Windsor, 28.11 - 23.12.1979 ; ...et.al.).