C. E. Olmstead, 1958, Takoma Park: a photo history p. 16; cited in Geology and Ground-Water Resources of Washington DC and vicinity, US Geological Survey, 1964 [1]
Huber, Margaret Williamson (January 12, 2011). "Powhatan (d. 1618)". Encyclopedia Virginia. Archived from the original on May 3, 2017. Retrieved February 18, 2011.
Deyo, William "Night Owl" (September 5, 2009). "Our Patawomeck Ancestors"(PDF). Patawomeck Tides. 12 (1): 2–7. Archived from the original(PDF) on July 14, 2014. Retrieved July 6, 2014.
Smith, John. A True Relation of such Occurrences and Accidents of Noate as hath Hapned in Virginia. 1608. "Personal Narratives from the Virtual Jamestown Project, 1575–1705". Archived from the original on September 28, 2013. Retrieved September 22, 2009. Repr. in The Complete Works of John Smith (1580–1631). Ed. Philip L. Barbour. Chapel Hill: University Press of Virginia, 1983. Vol. 1, p. 53.
web.archive.org
Huber, Margaret Williamson (January 12, 2011). "Powhatan (d. 1618)". Encyclopedia Virginia. Archived from the original on May 3, 2017. Retrieved February 18, 2011.
Deyo, William "Night Owl" (September 5, 2009). "Our Patawomeck Ancestors"(PDF). Patawomeck Tides. 12 (1): 2–7. Archived from the original(PDF) on July 14, 2014. Retrieved July 6, 2014.
Smith, John. A True Relation of such Occurrences and Accidents of Noate as hath Hapned in Virginia. 1608. "Personal Narratives from the Virtual Jamestown Project, 1575–1705". Archived from the original on September 28, 2013. Retrieved September 22, 2009. Repr. in The Complete Works of John Smith (1580–1631). Ed. Philip L. Barbour. Chapel Hill: University Press of Virginia, 1983. Vol. 1, p. 53.