Prozesskostenhilfe
Tweed's appointment as chairman of the legal aid committee of the Association of the Bar of the City of New York in 1932, led to a continuing involvement in bar organizations. He became an enthusiastic convert to the necessity of providing competent legal services to all people. Legal aid, he wrote, was ""operation equal justice," "an obligation of the bar,"" and essential to secure the success of the adversary system. He served as president of the Legal Aid Society of New York from 1936 to 1945, later publishing a history of its first seventy-five years, and of the National Legal Aid &amp; Defender Association from 1949 to 1955.