Ray Bradbury's Parody of HP Lovecraft: Part 2

OK, found this little snippet from the Center of Ray Bradbury Studies:

For the F&SF reprint, Bradbury added a whimsical encounter with H. P. Lovecraft as Poe, Bierce and Blackwood make their way to visit Dickens (an F&SF substitution for Hawthorne). Bradbury was not satisfied with this long 600-word parody of Lovecraft and deleted it from all further versions.

Apparently Anthony Boucher, then editor of F&SF, (of the Sherlock Holmes Radio plays fame) had contacted Bradbury and asked for slight modifications of the 1949 MacClean version. I assume that this is why no mention fo the previous version is listed since there are enough changes to warrant it as a "new" item.