The main areas of activity of the British Vigilance Association (BVA) appear to have been campaigning against the causes of prostitution and sexual exploitation and campaigning for better conditions for au pair girls. Main correspondents include The Josephine Butler Society (formerly the Association for Moral and Social Hygiene) and the National Council of Women.
GB 106 4BVA/A/01-14 Files re prostitution and immoral earnings,
GB 106 4BVA/A/15-34 Files re au pairs.