Sweet Adelines International   

http://www.sweetadelineintl.org

Sweet Adelines Lake Erie Region 17             http://www.sweetadelineintl.org

Young Singers Foundation             http://www.youngsingersfoundation.org

Barbershop Search Engine    http://dmoz.org/Arts/Music/Vocal/A-Capella/Barbershop_Harmony

Barbershoppers @ the WWW   http://www.sunshinenet.org/BSOTW3/index.html

SPEBSQSA - Society for the Preservation and Encouragement of Barbershop Quartet Singing in America    http://www.spebsqsa.org/web/groups/public/documents/pages/pub_homepage.hscp