Korg PS-3200 Programmable Polyphonic Synthesizer; PS-3300; PS-3100; BX-3 Electronic Organ; CX-3 Portable Organ; LP-10 Electronic Piano; Trident; Delta; Lambda; Sigma; VC-10 Vocoder; MS-10; MS-20; MS-50; SQ-10; X-911; others. Tokyo, Japan: Keio Electronic Lab Corp. Korg Electronic Ltd., undated.

Korg Monophonic Synthesizer MS-20 Setting Examples; Owner's Manual. Tokyo, Japan: Keio Electronic Lab Corp. Korg Electronic Ltd., undated.