Here are the William Hartnell audios I own for your perusal. Companion Chronicles will be included when I get to reviewing them as well.
William Hartnell (1908-1975) -- the first Doctor from 1963-1966 -- http://en.wikipedia.org/wiki/First_Doctor
The Early Adventures
Three Volumes - found under the Early Adventures page
Short Trips 7.5 - Falling 
Short Trips 6.5 - This Sporting Life
Short Trips 5.01 - Flywheel Revolution
Short Trips 5.09 - Etheria
The Lost Stories
4.01 - The Dark Planet