"The 100 best nonfiction books: No 68 - Narrative of the Life of Frederick Douglass, an American Slave by Frederick Douglass (1845)" by Robert McCrum, www.theguardian.com. May 22, 2017.
L. Frank Baum (2016). “30+ FANTASY ADVENTURES & FAIRY TALES – Ultimate Collection (Magical World Series): The Wizard of Oz Series, Dot and Tot of Merryland, Mother Goose in Prose, The Magical Monarch of Mo, American Fairy Tales, The Master Key, The Life and Adventures of Santa Claus, The Sea Fairies…”, p.2982, e-artnow
"Every Child Has a Thinking Style: A Guide to Recognizing and Fostering Each Child's Natural Gifts and Preferences - to Help Them Learn, Thrive, and Achieve". Book by Lanna Nakone, April 4, 2006.