11 Things You Didn't Know About Black Beauty
http://mentalfloss.com/article/71606/11-things-you-didnt-know-about-black-beauty
Penguin Random House Black Beauty
https://www.penguinrandomhouse.com/books/309930/black-beauty-by-anna-sewell/
How 'Black Beauty' Changed The Way We See Horses
https://www.npr.org/2012/11/02/163971063/how-black-beauty-changed-the-way-we-see-horses