51. Untitled (Richard Barnes) (audio cassette) Artist: Cha, Theresa Hak Kyung Classification: Audio Materials: Sony CHF30. Audio cassette. 30 minutes. Accession Number: 1992.4.465
52. Untitled (Theresa Cha and Richard Barnes) (audio tape) Artist: Cha, Theresa Hak Kyung Classification: Audio Materials: Scotch. 3M. Magnetic audio tape. 5" reel. 7 1/2 ips. 13 minutes. Accession Number: 1992.4.536
53. Untitled (Theresa Cha) (audio tape) Artist: Cha, Theresa Hak Kyung Classification: Audio Materials: "Scotch. 3M. Magnetic audio tape. 5"" reel. 7 1/2 ips. 4 minutes." Accession Number: 1992.4.537
54. Untitled (Theresa-chart interpretation) (audio cassette) Artist: Cha, Theresa Hak Kyung Classification: Audio Materials: Scotch C-60. Audio cassette. 60 minutes. Accession Number: 1992.4.464
55. Untitled (audio cassette) Artist: Cha, Theresa Hak Kyung Classification: Audio Materials: Scotch C-60. Audio cassette. 60 minutes. Accession Number: 1992.4.473
56. Untitled (audio cassette) Artist: Cha, Theresa Hak Kyung Classification: Audio Materials: Memorex High Bias 90. Audio cassette. 60 minutes approx. Accession Number: 1992.4.463
57. Untitled (audio cassette) Artist: Cha, Theresa Hak Kyung Classification: Audio Materials: Scotch C-90. Audio cassette. 50 minutes approximately. Accession Number: 1992.4.477
58. Untitled (audio cassette) Artist: Cha, Theresa Hak Kyung Classification: Audio Materials: Scotch C-90. Audio cassette. 47 minutes. Accession Number: 1992.4.469
59. Untitled (audio cassette) Artist: Cha, Theresa Hak Kyung Classification: Audio Materials: TDK C-60F. Audio cassette. 20 minutes approximately. Accession Number: 1992.4.474
60. Untitled (audio cassette) Artist: Cha, Theresa Hak Kyung Classification: Audio Materials: TDK D-C120. Audio cassette. 120 minutes. Accession Number: 1992.4.466