1. Art Practice - “Other Things Seen, Other Things Heard” - Photographic Material ~ Negatives, Contact Sheets - 1978. Bookmark Artist: Cha, Theresa Hak Kyung Classification: Documentation Materials: 11 strips of black and white film negatives. Dimensions: 9 1/4 x 1 1/2 in. Accession Number: 1992.4.99