Consists of correspondence and related materials between and affecting Equity's relations with other unions, guilds, and federations both in the U.S. and worldwide. These organizations include the American Federation of Radio Artists (AFRA) and with the addition of television, AFTRA, Variety Artists (AGVA) and their umbrella organization, the Associated Actors and Artistes of America (4A's/AAAA). Also prominent in the series is correspondence with British Equity, the Federation Internationale des Acteurs/International Federation of Actors (FIA), and The League of New York Theatres among others.