Post date: May 24, 2017 12:32:07 PM
https://www.nps.gov/articles/pocaisla.htm
https://www.washingtonpost.com/local/virginia-politics/one-mans-quest-to-preserve-the-haunting-black-history-of-pocahontas-island/2016/09/26/b79f9b2c-7abf-11e6-beac-57a4a412e93a_story.html?utm_term=.c708370f1c6c
http://www.npshistory.com/publications/ugrr/researching-interpreting.pdf
https://archive.org/stream/undergroundrailr00stil/undergroundrailr00stil_djvu.txt