Elmer Takeo Kudo
KINKO SHAKUHACHI: One Maker's Approach

Monty H. Levenson
STALKING THE WILD BORE: A Trek Into the Heart of Shakuhachi Darkness

Lew Paxton Price
Secrets of the Flute: The Physics, Math and Design of the Non-Mechanical Folk Flute
More Secret of the Flute
The Oldest Magic

HOW TO MAKE NATIVE NORTH AMERICAN FLUTES - 9 Volume Set
Native North American Flutes
Creating & Using the North American Love Flute
Creating & Using Grandfather's Flute
Creating & Using Older Native American Flutes
Creating & Using the North American Concert Flute
Creating & Using Larger Native American Flutes
Creating & Using the Largest Native American Flutes
Creating & Using Smaller Native American Flutes
Creating & Using Very Small Native American Flutes