Major Orchestra Librarians' Association (MOLA).This site contains information, resources, and links for MOLA member librarians, as well as for other musicians, conductors, publishers, and administrators.
American Symphony Orchestra League
Association Française des Orchestres
Association of British Orchestras
Association of Danish Regional Symphony Orchestras
La Asociación Española de Orquestas Sinfónicas, AEOS
Norsk teater- og orkesterforening