Davies, Glyn (23 de abril de 2009). «Putting the 'Ceiliog' in Corn Flakes». A view from Rural Wales. Glyn Davies (Welsh Member of Parliament). Consultado el 21 de mayo de 2014.
John Harvey Kellogg, U.S. Patent no. Patente USPTO n.º 558393: «558,393», Flaked Cereals and Process of Preparing Same, filed May 31, 1895, issued April 14, 1896.