(Fletcher & Rossing) The Physics of Musical Instruments, 2nd ed, Springer [pdf]
(Bennet Jr) The Science of Musical Sound, Vol 1: Stringed Instruments, Pipe Organs, and the Human Voice, ASA Press, Springer [pdf (use campus network)]
Sub Textbooks:
(Kinsler) Fundamentals of Acoustics, 4th ed, John Wiley & Sons [pdf]
(Ramsey) The Physics of Music: Integrating the Technical and Artistic Aspects of Creating Music, ASA Press, Springer [pdf (use campus network)]
If you want to learn more…
Traditional Korean Instruments: A Practical Guide for Composers, Part 1 & 2, National Gugak Center (국립국악원) [pdf & video]
(Bucur) Handbook of Materials for String Musical Instruments, ASA Press, Springer [pdf (use campus network)]
(Campbell, Myers, Gilbert) Sounding Brass: Brasswind Instruments and How They Work, ASA Press, Springer [pdf (use campus network)]
(Giordano) Physics of the Piano, Oxford University Press [book]