Filtering by: Creator unknown Remove constraint Creator: unknown Creator mullen, pearson a. Remove constraint Creator: mullen, pearson a. 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) 1960s (1960-1969) Remove constraint Time Period (Topic): 1960s (1960-1969)