Darleen Pickering Hummert, artistic music director of Child and Family Services' Theatre for Change, will speak at the annual potluck dinner of Buffalo Branch, American Association of University Women, Sept. 15 at 5:30 p.m. in Christ United Methodist Church, Snyder. Grace K. Blackstone is taking reservations. Plans for an Oct. 9 trip to Ashtabula, Ohio, will be made when the Travel Group meets Sept. 16 at 7 p.m. in Williamsville Branch Library. P.D. James' "Cover Her Face" will be discussed by the Clueless Group at a dinner Sept. 22 at 5:45 in the Original Pancake House.