Denver. School .Teachers Head of Denver Federation of Teachers asks. bargaining debate. Post D 19, 1962 Two rival teachers groups D.F.T. and D.C.T.A. slated to be heard by school board. Post N 20, 1963 Teachers benefits under negociation by D.C.T.A. RMN Ag 31, 1964 Teachers open drive for power. RMN S 1, 1964 Classroom teachers reject break with C.E.A. Post Ap 11, 1965