Folk dancing Social life and customs Ballerini Dance Group Costume Folk dance music Folk dancing, Italian Italian Americans--Social life and customs Italian Mothers' Clubs (New York, N.Y.) Nationalities Service Center (Philadelphia, Pa.) Philadelphia Committee for Italian Relief American Medical Relief for Italy of Pennsylvania Costume, Italian English language--Study and teaching--Foreign speakers Ethnic groups Folk Dance Leaders Council (Philadelphia, Pa.) Folk Festival Council of New York (New York, N.Y.) Folk dancing, Italians Folk dancing--Italy Italian American families Italian Americans Italian Americans--New York (State)--Societies, etc Italian Americans--Pennsylvania--Societies, etc Italian Folk Arts Federation Italian Folk Arts Federation of America Italian-American arts--New York (state)--New York Italian-American arts--Pennsylvania--Philadelphia Italians Italy Social work with immigrants--New York (State)--New York Social work with immigrants--Pennsylvania--Philadelphia Vivaci Dance Group