Не знаю, насчет полной коллекции, но, по крайней мере одного автора нет вообще и у вас Nazaraios, в том числе.
Original Robert E. Howard Conan stories

Cover of
Weird Tales (May 1934) depicting Conan and
Bкlit in
Queen of the Black Coast, one of
Robert E. Howard's original Conan stories.
Conan stories published in Weird Tales- "The Phoenix on the Sword" (novelette; WT 20 6, Dec 1932)
- "The Scarlet Citadel" (novelette; WT 21 1, Jan 1933)
- "The Tower of the Elephant" (novelette; WT 21 3, Mar 1933)
- "Black Colossus" (novelette; WT 21 6, Jun 1933)
- "Xuthal of the Dusk" (novelette; WT 22 3, Sep 1933, as "The Slithering Shadow")
- "The Pool of the Black One" (novelette; WT 22 4, Oct 1933)
- "Rogues in the House" (novelette; WT 23 1, Jan 1934)
- "Iron Shadows in the Moon" (novelette; WT 23 4, Apr 1934, as "Shadows in the Moonlight")
- "Queen of the Black Coast" (novelette; WT 23 5, May 1934)
- "The Devil in Iron" (novelette; WT 24 2, Aug 1934)
- "The People of the Black Circle" (novella; WT 24 3–5, Sep/Oct/Nov 1934)
- "A Witch Shall be Born" (novelette; WT 24 6, Dec 1934)
- "Jewels of Gwahlur" (novelette; WT 25 3, Mar 1935)
- "Beyond the Black River" (novella; WT 25 5–6, May/Jun 1935)
- "Man-Eaters of Zamboula" (novelette; WT 26 5, Nov 1935, as "Shadows in Zamboula")
- "The Hour of the Dragon" (novel; WT 26 6 & 25 1–4, Dec 35/Jan/Feb/Mar/Apr 1936)
- "Red Nails" (novella; WT 28 1–3, Jul/Aug-Sep/Oct 1936)
Conan stories not published in his lifetimeUnfinished Conan stories by HowardOther Conan-related material by Howard- "Wolves Beyond the Border" — A non-Conan story set in Conan's world. Fragment.
- "The Hyborian Age" — An essay written in 1932. Published in 2003 in The Coming of Conan the Cimmerian.
- "Cimmeria" — A poem written in 1932. Published in 2003 in The Coming of Conan the Cimmerian.
NOTE: A number of untitled synopses for Conan stories also exist.
L. Sprague de Camp
Novels Shorter fiction Lin CarterBjцrn Nyberg
- The Return of Conan (1957) (with L. Sprague de Camp)
- The People of the Summit (1970) (with L. Sprague de Camp)