Some websites that might interest you.

- Sweet Adelines International
  http://www.sweetadelineintl.org

- Barbershop Harmony Society
  http://www.barbershop.org

- Blue Ridge Region 14
  http://www.sairegion14.org

- Foothills Harmony
  http://www.foothillsharmonychorus.org

- The Queen Charlotte Chorus
  http://members.aol.com/qcchorus/

- The Ultimate in Barbershop links 
  http://www.harmonize.ws/links/