U.S. Arts Organizations

National Endowment for the Arts
http://www.nea.gov/

National Endowment for the Humanities
http://www.neh.gov/

National Assembly of State Arts Agencies
http://www.nasaa-arts.org/

Americans for the Arts
http://www.artsusa.org/

Alliance of Artists Communities
http://www.artistcommunities.org/

National Arts Strategies
http://www.artstrategies.org/

Technology in the Arts (Carnegie Mellon)
http://technologyinthearts.org/

Save Outdoor Sculpture
http://www.heritagepreservation.org/programs/sos/index.html

Volunteer Lawyers for the Arts
http://www.vlany.org/

National Center for Charitable Statistics
http://nccsdataweb.urban.org/NCCS/Public/

GuideStar
http://www2.guidestar.org/

U. S.  Government

U. S. Census Bureau
http://www.census.gov/

Internal Revenue Service
http://www.irs.gov/

U.S. Copyright Office
http://www.copyright.gov/

FBI Art Theft Program
http://www.fbi.gov/about-us/investigate/vc_majorthefts/arttheft/arttheft