Ksenia Bönig: The Big Book of the Organ (Association of German Organ Builders, 2024)

Cornelie Kister: Longing for Bullerbü. Give your children back their childhood (Thiele Verlag, 2008)

Thorsten Havener, Dr. med. Michael Spitzbart: Don't think of a blue elephant. The power of thoughts (Rowohlt Verlag, 2010)

Children's music in "Music and Church. The Journal for Church Music", September/ October 2024, No. 5 (Bärenreiter)

Organ Teaching for Children
in Norway: An Educational Field in Development
David Scott Hamnes

Eugen Herrigel (Bungaku Hakushi)
Zen in the Art of Archery