The American Music School - It offers a large catalog of publications and recordings.
Helps teach organ registration, manual and pedal technique, hymn playing.
Demibach Editions - Description of Reading Keyboard Music, a program for both students and teachers. Duane Shinn's Keyboard Workshop - Description and order form for several books and videos for all styles and levels. The Keyboard Accompaniment Course - Six books for students and teachers to create accompaniments in many music styles in all keys. Keyboard Central - Learn to play the keyboard, piano, or organ at home. Online lessons and ebooks.