Ech-Uisge, Kelpies, and Water-Horses (general sources)
- Folklore of Scottish Lochs and Springs, by James Murray Mackinlay, 1893 W. Hodge & Co., Glasgow, Scotland. pg. 164-165, 174-175. Online at: http://books.google.com/books?id=uncAAAAAMAAJ&pg=PR1&dq=James+M.+Mackinlay&hl=en&sa=X&ei=q9C9U8zSLMOxoQS-0IGABw&ved=0CDcQ6AEwBg#v=onepage&q=James%20M.%20Mackinlay&f=false
- The Story of the Loch Ness Monster, by Tim Dinsdale, 1974 (third Impression; original printing 1973), ISBN: 0-426-10591-5.