A History of Midwestern Piano Manufacturing by Jack Greenfield, RPT
On Pitch the Integration and Equation of Aural and Electronic Tuning Techniques by Rick Baldassin
How to Buy a Good Used Piano by Willard M. Leverett, RPT
How to Tune a Piano by Woodman
Professional Piano Tuning by W. Dean Howell
Piano Tuning by J. Cree Fischer | A Simple and Accurate Method for Amateurs
What Is Your Piano All About and Allied Subjects compiled by Don U. Kresge Book
Piano Tuner's Pocket Companion by Oliver C. Faust
