https://studylib.net/doc/5220251/quilt-codes-of-the-underground-railroad
Underground Railroad Quilt Codes: Myth vs. History
Explore the myth of quilt codes in the Underground Railroad. Learn about the historical inaccuracies and the true stories of escape.
underground railroad quiltcodesmythvshistory
https://www.nps.gov/cuga/learn/news/the-underground-railroad-quilt-code-truth-or-myth.htm
The Underground Railroad Quilt Code - Truth or Myth? - Cumberland Gap National Historical Park...
Cumberland Gap National Historical Park
the underground railroad