Francis James Child
From Tardis Wiki, the free Doctor Who reference
Francis James Child collected folklore and published a book that contained painstakingly collected multiple versions of multiple stories. This book became known as Child Ballads.
In 2016, Mab had a copy of Child Ballads in the Carterhaugh House library. Thomas Laneford believed that she kept it because Tam Lin, the 39th ballad in the book, was about her. (AUDIO: Gifted)