Calvin Johnston
3 appearances across 3 restored issues — every one readable in full, free.
The Popular Magazine, March 7, 1922 — 1922 “Mrs. Kadiak's Fortune” · p.126 Read the full issue (208 pages) → 
The Popular Magazine, August 20, 1924 — 1924 “The Hill Horse” · p.123 Read the full issue (196 pages) → 
The Popular Magazine, February 7, 1925 — 1925 “MAIL FOR ROARING RIVER” · p.146 Read the full issue (220 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.