| 1939 HAMMOND INSTR Electronic Musical Instrument |
| 1951 MERRILL Electronic Musical Instrument Art |
| 1969 RHEEM CO Electronic Musical Instrument Art |
| 1957 HANERT Electronic Musical Instrument Patent |
| 1946 BELL Electronic Musical Instrument Art |
| 1951 GEORGE Electronic Musical Instrument Patent |
| 1967 TAKEO Electronic Musical Instrument Patent |
| 1951 RCA CORP Electronic Musical Instrument Art |
| 1969 MOORE Electronic Musical Instrument Patent |
| 1965 PETERSON Electronic Musical Instrument Art |
| 1935 IVAN Synthetic Electronic Musical Instrument |
| 1961 PEARSON Electronic Musical Instrument Method |
| 1967 M Stereophonic Electronic Musical Instrument |
| 1960 PETERSON Electronic Musical Instrument Art |
| 1965 NIHON Electronic Musical Instrument Art |
| 1957 HAMMOND ORGAN Electronic Musical Instrument |
| 1966 PETERSON Electronic Musical Instrument Art |
| 1962 AMEDEO Switch Electronic Musical Instrument |
| 1951 COLOMBANI Electronic Musical Instrument Art |
| 1966 MAURICE Electronic Musical Instrument Art |
| 1955 WILLIAMS Electronic Musical Instrument Art |
| 1958 GULTON IND INC Electronic Musical Instrument |
| 1966 GEORGES Electronic Musical Instrument Art |
| 1946 RIENSTRA Electronic Musical Instrument Art |
| 1959 GEORGE Electronic Musical Instrument Patent |
| 1965 MAYNARD Electronic Musical Instrument Art |
| 1965 BRAND Electronic Musical Instrument Oscillator |
| 1968 OLSON Electronic Musical Instrument Patent |
| 1969 MOORE Electronic Musical Instrument RHEEM Patent 1 |
| 1965 WURLITZER Electronic Musical Instrument Oscillator |
| 1965 MOTOROLA INC Electronic Musical Instrument |
| 1961 BALDWIN PIANO Electronic Musical Instrument |
| 1963 PETERSON Electronic Musical Instrument Art |
| 1965 SHIGEAKI Electronic Musical Instrument Art |
| 1961 BISSONETTE Electronic Musical Instrument |
| 1967 NIPPON COLUMBIA Electronic Musical Instrument |
| 1967 PETERSON Electronic Musical Instrument Art |
| 1955 CONSTANT Electronic Musical Instrument Art |
| 1966 FREEMAN Electronic Musical Instrument Art |
| 1964 GIBBS RES CORP Electronic Musical Instrument |
| 1964 GIBBS Electronic Musical Instrument Patent |
| 1939 GILBERT Electronic Musical Instrument Art |
| 1966 ACADEMY AERONAUTICS Electronic Musical Instrument |
| Electronic Musical Instrument Manual by Alan Douglas |
| VINTAGE ROLAND ELECTRONIC KEYBOARD MUSICAL INSTRUMENT |