Wikimedia Commons has media related to Panna Maria, Texas.
Official website of Panna Maria, Texas
"Panna Maria" Handbook of Texas Online.
Stanley S. (1976). In Quest of a Cultural Identity: An Inquiry for the Polish Community. New York, New York: IUME, Teachers College, Columbia University. ISBN ERIC ED167674.
Overview in info-poland.buffalo.edu - part 1, Part 2
THE EARLY HISTORY OF PANNA MARIA, TEXAS by Thomas Lindsay Baker
U.S. Geological Survey Geographic Names Information System: Panna Maria