St. Stanislaus Kostka Parish in Bristol will hold its annual Dozynki (Polish Harvest Festival) on Sept. 7-8. The celebration kicks off on Saturday with Mass at 3:00 p.m., followed by the festival until 10:00 p.m. On Sunday, Mass is set for 10:30 a.m., with the festival running until 7:00 p.m. The event will be held on the parish property at 510 West St., Bristol.