Here are the Sylvester McCoy audios I own for your perusal.
Sylvester McCoy (1943-present) -- the seventh Doctor from 1987-1989, 1996 --
http://en.wikipedia.org/wiki/Seventh_Doctor
Main Range
#245 - Muse of Fire 
#244 - Warlock’s Cross
#243 - The Quantum Possibility Engine
#242 - The Disposessed
#241 - Red Planets
Miscellaneous Other
Seventh Doctor Adventures, Vol. 1 -
CD, NM 1.3 - Harvest of the Sycorax
Washington Burns (short trips 6.3)
Dark Convoy (Short Trips 5.7)