Conversation so far:
What is Lovecraft Circle?
The Lovecraft Circle is a group of writers and friends linked via the correspondence of H.P. Lovecraft, who help one another to succeed in the pulp field.
Who was in the Lovecraft Circle?
Members of the Lovecraft Circle included Clark Ashton Smith, August Derleth, and E. Hoffmann Price.

Question: Did Howard use this circle to advance his career?
Self-contained rewrite: Did Robert E. Howard use the Lovecraft Circle to advance his career?