Christopher B. Booth
4 appearances across 4 restored issues — every one readable in full, free.
The Black Mask — 1920 “THE DEVILTRY OF DR. WAUGH” · p.49 Read the full issue (136 pages) → 
Detective Story Magazine, August 27, 1921 — 1921 “Mr. Clackworthy Goes to Jail” · p.24 Read the full issue (149 pages) → 
Detective Story Magazine, February 4, 1922 — 1922 “Mr. Clackworthy Profits by the Drama” Read the full issue (164 pages) → 
Detective Story Magazine, June 9, 1923 — 1923 “Mr. Clackworthy Pays His Income Tax” Read the full issue (148 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.