Sources
- https://time.com/4039140/fugitive-slace-act-165/
- The Book - Get on Board; The Story of the Underground Railroad, by Jim Haskins. Scholastic, 1993.
- http://www.american-historama.org/1841-1850-westward-expansion/fugitive-slave-act.htm
- https://www.britannica.com/event/Fugitive-Slave-Acts
- https://ohiohistorycentral.org/w/Fugitive_Slave_Law_of_1850
- https://www.history.com/topics/black-history/fugitive-slave-acts
- http://www.math.buffalo.edu/~sww/0history/SlaveActs.html
- https://www.accessible-archives.com/2017/02/manstealing-law-explained/
- https://www.biography.com/activist/henry-box-brown