Series I. Association Records,, 1923, 191965.

Concerns the internal operations of the Association: meetings of its board of directors and executive board, regional meetings of member railroads and annual meetings. Include agendas and minutes of meetings; correspondence between those attending and officers of the Association; notes, memos and correspondence on arrangements, speakers, entertainment and menus; stenographic transcripts of the proceedings of most annual meetings (1923-1962), special meetings (1929, 1932) and an executive board meeting (1933); and an original tape recording of the 1963 annual meeting.