Warner (Wojnarowska), Helen Singer. At present (1943) she is engaged as a member of the Chicago Opera Choir, Chicago, Ill. From: "Who's Who in Polish America" by Rev. Francis Bolek, Editor-in-Chief; Harbinger House, New York, 1943
From: "Who's Who in Polish America" by Rev. Francis Bolek, Editor-in-Chief; Harbinger House, New York, 1943