Filtering by: Creator duncan, bruce n., 1943-2009 Remove constraint Creator: duncan, bruce n., 1943-2009 File Format image/tiff Remove constraint File Format: image/tiff Time Period (Topic) 1980s (1980-1989) Remove constraint Time Period (Topic): 1980s (1980-1989) Time Period (Topic) 1990s (1990-1999) Remove constraint Time Period (Topic): 1990s (1990-1999)