A book of its "records" was published by William (*)  
The protagonist of a novel titled for this entity is forced to pose for visitors at the Museum of Natural Wonders and is pursued by Ridgeway. The first National Park Service site commemorating this thing was a museum opened in Cincinnati in 2004. In a 2016 Colson Whitehead novel, Cora and Caesar use a literal version of this thing. A book of its "records" was published by William (*)  Still, while Eric Foner's "hidden history" of it profiled the New York Vigilance Committee. Personal Liberty Laws assisted people using this entity, who were not actually given information about it by quilts or by the song "Follow the Drinking Gourd". Many Quakers served as "conductors" on, for 10 points, what collection of informal routes used by slaves to escape to freedom?
The protagonist of a novel titled for this entity is forced to pose for visitors at the Museum of Natural Wonders and is pursued by Ridgeway.
the  Underground Railroad  