Primarily administrative files of the national body of the Young Men's Christian Association (YMCA) in the United States, especially minutes and related documents of its various governing bodies (the International Commitee, the National Board, the National Council, and the Executive Board), as well as numerous committees.

Minutes and reports from Area Council meetings, Area Executive Committee reports, staff meeting reports, program reports and other records of YMCA’s regional supervisory agencies, organized by eighteen different geographic regions, which overlap in coverage and were active during periods of time.