All the King's Fools: 'Disability is deep in comedy's DNA'
The book Fools Are Everywhere: The Court Jester Around the World by Beatrice K. Otto is available from Amazon.
>Fools and Jesters at the English Court by John Southworth is a reign-by reign account of court fools from their origins in Carolingian Europe and Celtic Ireland to the time of James I. It is also available at Amazon.