The Madness of Mary Lincoln is the first examination of Mary 
Lincoln's mental illness based on the lost letters, and the first new 
interpretation of the insanity case in twenty years.

http://www.amazon.com/Madness-Mary-Lincoln-Jason-Emerson/dp/0809327716/ref=pd_bbs_sr_1?ie=UTF8&s=books&qid=1200332728&sr=8-1

I watched the author on TV.  He seems to me to be so steeped in 
today's medical vocabulary and mind set that he doesn't realize his 
historian's objectivity is biased.

Sylvia


"People Who experience mood swings, fear, voices and visions"