Music Organizations
American Choral Directors Association (ACDA)
Contemporary Acapella Society of America (CASA)
Music Educators National Conference (MENC)
Sweet Adelines International
Harmony, Inc.

Fundraising Organizations
Association of Fundraising Professionals (AFP)
Council on Foundations
Foundation Center
Foundations Online
Fundraising Online
Government Information Services
Internet Nonprofit Center
Internet Nonprofit Center Gallery of Organizations
Nonprofit World
Philanthropy Journal Online
Philanthropy News Digest
Young Singers Foundation (the charitable foundation of Sweet Adelines International)