Mayer, Alfred. Electronic Music for the Seventies by the Boys from Putney Operator Manual for VCS3a Putney Synthesizer. Morristown, NJ: Ionic Industries, Inc., undated.

Mayer, Alfred. The Performer Synthesizer Newspaper Reprints from various sources. Morristown, NJ: Ionic Industries, Inc., 1970.

Mayer, Alfred. The Performer Synthesizer: A Non-Technical Approach to Electronic Music Synthesis.. Morristown, NJ: Ionic Industries, Inc., 1972.