The Jewish Genealogical Society of North Jersey meets at the Wayne YMCA for a discussion, “Sourcing: What, When, Why, and How,” 2:30 p.m. The Charles & Bessie Goldman Library opens at 7 for resources and socializing. Refreshments. Free. Y, (973) 595-0100; or Susan, (732) 412-7606, president@jgsnj.org.