Daniels, R. L. (March 1883). "'Polanders' in Texas". Lippincott's Magazine of Popular Literature and Science. new series 5. Philadelphia, PA: J. B. Lippincott: 299. OCLC656599432. Retrieved 23 April 2013.
Daniels, R. L. (March 1883). "'Polanders' in Texas". Lippincott's Magazine of Popular Literature and Science. new series 5. Philadelphia, PA: J. B. Lippincott: 299. OCLC656599432. Retrieved 23 April 2013.