Practice Spot: Ideas and Resources for Great Music Lessons http://www.practicespot.com/home.php
Ricci Adams' Musictheory.net http://musictheory.net/
Piano Pedagogy Plus! http://www.pedaplus.com/
Introduction to Music Theory and Aural Skills http://www.murraystate.edu/qacd/cfac/music/mus109entry.htm
Score Exchange http://www.scoreexchange.com/
Sheet Music Online http://www.sheetmusic1.com/
The Sheet Music Archive http://www.sheetmusicarchive.net/
Music-Scores.com http://www.music-scores.com/
Easy Sheet Music http://www.easysheetmusic.com/
The Mutopia Project http://www.mutopiaproject.org/
Sheetmusic.com http://www.sheetmusic.com/
The Piano Music of Ernst Bacon http://www.ernstbaconpiano.com
Learning Zone http://www.naxos.com/newdesign/fglossary.files/bglossary.htm
MusicPlay Piano http://www.musicplay.com/
The Piano Education Page http://pianoeducation.org/
A Musician's ABC, and Know Thy Piano by James Boyk http://www.cco.caltech.edu/~boyk/abcd.htm and http://www.cco.caltech.edu/~boyk/piano.htm
Music Graphics Galore http://www.musicgraphicsgalore.net/index.html
Pianopedia http://www.pianopedia.com/
Database for: 20th Century Intermediate Piano Literature by Kathy Winston Rabago http://www.kathyrabago.com/pianorep/index.php
Women in Music: Compositions for Intermediate Level by Dr. Lora Deahl, Dr. Kay Etheridge, Beverly McGahey, and Lea Schmidt-Rogers http://www.sandiegomtac.com/women.htm
Music History 102: A guide to Western Composers and Their Music from the Middle Ages to the Present http://www.ipl.org/div/mushist/
Worldwide Internet Music Resources: Composers http://www.music.indiana.edu/music_resources/composer.html
Ornamentation http://www.dolmetsch.com/musictheory23.htm
The Classical Composers Database http://www.classical-composers.org
The Classical Music Navigator http://www.wku.edu/~smithch/music/index2.htm
Dr. Estrella's Incredibly Abridged Dictionary of Composers http://www.stevenestrella.com/composers/index.html
History of the Piano http://www.uk-piano.org/history/history.html
The Piano Page http://www.ptg.org/
Musicians and Injuries http://rsi.unl.edu/music.html
Music and Health: Piano Teaching, Anatomy/Biomechanics and Musicians' Health http://www.musicandhealth.co.uk/default.html