Online resources for cantors are not plentiful or easy to find at this time, especially since the word/name "cantor" is used in many ways. In addition to this site, you may find these links helpful and interesting:

• National Association of Pastoral Musicians [NPM]
• NPM Cantor Section
• NPM Cantor Resources
• Alexander Technique
• Andover Educators
• "Music Ministry" article, J. Michael McMahon
• Federation of Diocesan Liturgical Commissions
• Grand Rapids Chapter of NPM
• Aquinas College Music Department
• Diocese of Grand Rapids Office for Worship