Baku (sources)
- “Cultural note on dreaming and dream study in the future,“ by Tadao Hori, in Sleep and Biological Rhythms, 2005, Vol. 3, No. 2. Pgs. 49-55.
- Genso sekai no junintachi IV nihon-hen [????????? 4 ???] ("Truth in Fantasy" series, vol. IX), by Tada Katsumi [????], 1990 Shinkigen-sha. ISBN 4-915146-44-8. pg. 268-269
- Kotto: Being Japanese Curios, with Sundry Cobwebs, by Lafcadio Hearn, 1910 (copyright 1902) The Macmillan Company, New York, New York, USA. Pgs. 243-251. Online at: https://books.google.com/books?id=X5dFAAAAIAAJ&printsec=frontcover&dq=Kotto:+Being+Japanese+Curios,+with+Sundry+Cobwebs&hl=en&sa=X&ei=hiGfVbj7PJL4yQSD17_YBA&ved=0CB0Q6AEwAA#v=onepage&q=%22the%20eater%20of%20dreams%22&f=false
- Myths and Legends of Japan, by F. Hadland Davis, ca. 1910 Thomas Y. Crowell Company, New York, NY, USA. Free EBook at: http://www.gutenberg.org/ebooks/45723 Online at: https://books.google.com/books?id=BHhiAwAAQBAJ&pg=PT7&dq=Myths+and+Legends+of+Japan&hl=en&sa=X&ei=MyafVZu2HMqjyASCwo5Y&ved=0CB0Q6AEwAA#v=onepage&q=Myths%20and%20Legends%20of%20Japan&f=false
- “Sankai Ibutsu: An Early Seventeenth-Century Japanese Illustrated Manuscript,” by Masako Nakagawa, in Sino-Japanese Studies, May 1999, Vol. 11, Issue 2, pgs. 24-38. Online at: http://www.chinajapan.org/archive.html
- Youkai Daizukan (????? - The Large Picture Book of Japanese Monsters) [Big Koroton 12], by Satou Aribun [?? ??], 1987 Shougakukan [???], ISBN: 4-09-259012-1. pg. 194