Book 1. Composed by Robert Pace. Arranged by Robert Pace. Pace Piano Education. General Theory. Instructional book. With introductory text. 48 pages. Lee Roberts Music #2244. Published by Lee Roberts Music (HL.372244).
Theory. Neil A. Kjos Piano Library. General Theory. Instructional book. With instructional text, musical examples and standard notation. 64 pages. Neil A. Kjos Music Company #GP660. Published by Neil A. Kjos Music Company (KJ.GP660).
Beginning Theory Workbook. Theory. Master Theory. General Music. General Theory. Instructional book. With instructional text and musical examples. 32 pages. Neil A. Kjos Music Company #L173. Published by Neil A. Kjos Music Company (KJ.L173).
Theory. Neil A. Kjos Piano Library. General Theory. Instructional book. With instructional text, musical examples and standard notation. 65 pages. Neil A. Kjos Music Company #GP661. Published by Neil A. Kjos Music Company (KJ.GP661).
Theory. Neil A. Kjos Piano Library. General Theory. Instructional book. With instructional text, musical examples and standard notation. 85 pages. Neil A. Kjos Music Company #GP670. Published by Neil A. Kjos Music Company (KJ.GP670).