Series 11, Audio-Visual, contains audiocassettes, videocassettes, and film of Young's family, speeches, sermons, and other professional activities, as well as other speakers and events. Material is arranged by format then alphabetically by title. Some audio cassettes may contain more than one event. Other video formats are primarily 3/4 in. and 1 in. video and are often duplicates of VHS. Certain audio-visual material may be inaccessible due to format.