Arthur Evan James
3 appearances across 3 restored issues — every one readable in full, free.
Argosy All-Story Weekly, Vol. 189, No. 4 — 1927 “Dry Ar” · p.582 Read the full issue (180 pages) → 
Argosy All-Story Weekly, February 18, 1928 — 1928 “Damaged Reps” · p.880 Read the full issue (164 pages) → 
Argosy All-Story Weekly, April 14, 1928 — 1928 “The Man from the Rio Grande” (novelette) · p.180 Read the full issue (152 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.