for the pd history buff, "beans, roots, leafs, a history of the chemical therapy of p
 

876 pages
starts discussing use of l-dopa p. 491
Beans, roots and leaves
A History of the Chemical Therapy
of Parkinsonism
by
Paul Bernard Foley
B.Sc. (Hons) (Macquarie), M.A. (Würzburg)
Doctoral dissertation submitted to the Bavarian Julius Maximilian University, Wurzberg, 2001

RICK posted this a few years ago, stumbled across it again.

http://d-nb.info/96446392X/34