Timely Comics, initially Timely Publications, was the earliest comic book arm of American publisher Martin Goodman, and the entity that would evolve by the 1960s to become Marvel Comics.
Black Rider (Timely-Atlas) #8-11,13,15,17-18,21,23,25-27
Black Rider Rides Again (Atlas) #1
Black Widow Archive (Timely)
Blackstone the Magician (Timely) #2-23
Blaze Carson (Timely) #1-5
Blonde Phantom (Timely) #12,14-17,21
Brute (Atlas) #1-3