Curated OER
Wikipedia: National Historic Landmarks in Indiana: Levi Coffin House
Levi Coffin lived in this house from 1827 to 1847, where he helped as many as 2,000 slaves escape to freedom. The house was known as the Union Depot of the Underground Railroad, and it contained secret doors that could hide fugitives.
PBS
Pbs: Cet: Africans in America: The Underground Railroad
This PBS site provides a general history of the Underground Railroad, including a focus on notable participants or "conductors." Click on Teacher's Guide for teacher resources.
Scholastic
Scholastic Instructor: The Path to Freedom
Here is a great list of ideas for teachers to utilize in the classroom for lessons about the Underground Railroad. This site provides historical information, facts, reproductibles and more.