The Hound of the Baskervilles (1939)
The Adventures of Sherlock Holmes
The Private Life of Sherlock Holmes
Sherlock Holmes' Fatal Hour
The Hound of the Baskervilles (1959)
A Study in Terror
Sherlock Holmes and the Voice of Terror
Sherlock Holmes and the Secret Weapon
Sherlock Holmes in Washington
Sherlock Holmes Faces Death
Sherlock Holmes and the Spider Woman
The Scarlet Claw
The Pearl of Death
The House of Fear
Pursuit to Algiers
Sherlock Holmes in Terror by Night
Sherlock Holmes in Dressed to Kill
http://www.tcm.com/thismonth/article/?cid=274323&eref=newsletter
I have seen at least some of these B&W films, & hope some will be new to me.
And I would have thought them afraid to show "The Voice of Terror." 
