Mackiewicz, William S. Physician. At present he is a chief physician at Military Hospital, Sisseton, S. Dak. 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