Audiovisual formats include audiocassette tapes, VHS tapes, U-Matic tapes, 7-inch reel-to-reel audio, Betacam (small) tapes, 16mm 7-inch video, magnetic tapes [1-inch scotch], Betacam (large) tapes, 16mm 5-inch video, 5-inch reel-to-reel audio, DVDs, and microcassettes. Materials date from 1965 to 2006.