E. K. Means
3 appearances across 3 restored issues — every one readable in full, free.
Argosy All-Story Weekly, Vol. 123, No. 3 — 1920 “The Gift House” · p.368 Read the full issue (232 pages) → 
Argosy All-Story Weekly, October 6, 1923 — 1923 “The Head Chopper” Read the full issue (196 pages) → 
Argosy All-Story Weekly, October 6, 1923 — 1923 “The Head Choppag” · p.872 Read the full issue (196 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.