Power Play Vz: The Essential Guide to Practical Applications. (CASIO : VZ-1, VA-10M,VZ-8M) - De Furia, Steve; Scacciaferro, Joe: 9780881888713 - AbeBooks
Near) Mint condition, complete in box, 1988 Casio VZ-1. Possibly the greatest risky purchase I've ever made. : r/synthesizers
casio vz 1 service manual : Free Download, Borrow, and Streaming : Internet Archive
MATRIXSYNTH: 1980s Casio VZ-1 Digital Synthesizer with PCM Expansion Card