Alabama. Legislative Reference Service.
Virginia. Commission on Old Age Assistance.
Illinois. Division of Old Age Assistance.
Massachusetts. Bureau of Research and Statistics
Oklahoma. Dept. of Public Welfare.
United States. Social Security Board
United States. Bureau of Public Assistance.
Leora Friedberg
Public Welfare Board of North Dakota.
Kansas. State Dept. of Social Welfare.
New Hampshire. General court.
Wisconsin. Division of Public Assistance
Virginia. Committee on Probable Cost of a System of Old Age Assistance.
University of Washington. School of Social Work.
Charles Terrance O'Reilly
Oregon. State Public Welfare Commission.
Dora L. Costa
Washington (State). Dept. of Social Security.
Mary Wallace Crocker