This is a print on demand book. The Robert E. Howard Reader Volume One is a collection of many of Robert E. Howard’s great adventure stories. None of these stories in The Robert E. Howard Reader are found in the two Del Rey “best of” collections, making it a great companion piece to those volumes.
The best horror stories and poems by Robert E. Howard is collected in this beautiful book by Subterranean Press.
The UK based small press Wandering Star issued glorious editions of Robert E. Howard’s work, including The Savage Tales of Solomon Kane, Bran Mak Morn, The Ultimate Triumph, as well as two volumes of Howard’s Conan tales. Subterranean Press followed this when Wandering Star folded. It’s basically a beautiful reprint of Del Reys book.
Wolfshead published by Lancer Books. This is the second edition, from 1972. It’s a collection of stories including one James Allison story (the Valley of the Worm) and also a couple of Cthulhu Mythos tales.