Sound Discs -- See Sound recordings This heading is used as a topical heading for works about all types of media used for the recording of sound including cylinders, analog discs, digital discs, films, tapes, and wires, as well as works about analog discs alone.
Sound Effects -- See Sounds Here are entered works describing or recording actual sounds. Works on the use of sounds and of reproductions and simulations of sounds on radio, stage, etc. are entered under subject with subdivision Sound effects, e.g. Radio broadcasting--Sound effects; Theaters--Sound effects. --subdivision Sounds under individual wars, e.g. World War, 1939-1945--Sounds