Barbour, Philip L. (January 1964). "The Identity of the First Poles in America". The William and Mary Quarterly. 21 (1): 77–92. doi:10.2307/1923357. JSTOR1923357.
Pula, James S. (2008). "Fact vs. Fiction: What Do We Really Know About The Polish Presence In Early Jamestown?". The Polish Review. 53 (4): 477–493. JSTOR25779776.
Barbour, Philip L. (January 1964). "The Identity of the First Poles in America". The William and Mary Quarterly. 21 (1): 77–92. doi:10.2307/1923357. JSTOR1923357.