| Additional Information |
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| Content: | Detective Story Magazine [v6 #1, January 5, 1917] (Street & Smith Publications, Inc., 10c, 128pp, pulp) |
| Page 1 | His Hand and Seal [Part 1 of 3] by Carolyn Wells (Lippincott's Magazine Sep 1911) |
| Page 18 | Why Radium Is So Valuable by Anon. |
| Page 19 | The White Cell by Gregory Hay |
| Page 31 | Famous Scotland Yard Detective Chief Dies by Anon. |
| Page 32 | Sinking Sands by Wilder Anthony |
| Page 38 | Li Shoon's Nine Lives [Li Shoon] by H. Irving Hancock |
| Page 76 | Back in the Toils by Anon. |
| Page 76 | Japs Wary of "Death" Phone Numbers by Anon. |
| Page 77 | The Mysterious Highwayman [Nick Carter] by Sergeant Ryan (Ainslee's Magazine Jan 1901, Charles Westbrook) |
| Page 86 | Jailed After Two Months' Hunt by Anon. |
| Page 86 | Police Course at Harvard by Anon. |
| Page 87 | The Return of Red Raven III.-The Absconder [Red Raven] by Scott Campbell |
| Page 97 | Man Who Could Not Remember Crime Probated by Anon. |
| Page 98 | A Battle for Right [Part 6 of 6; Thorndyke Flint] by Douglas Grey |
| Page 114 | Steals Hair of Sleeping Girl by Anon. |
| Page 115 | The Letter in the Mail by Alfred Plowman (People's Ideal Fiction Magazine Jun 1913) |
| Page 125 | Headquarters Chat by The Editor |
| Page 125 | Under the Lamp by Anon. |
| Page 126 | The Snitch by Mary E. Smith |
| Page 128 | Suspects Carry Loot by Anon. |
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| The data in the additional content section is courtesy of Galactic Central. |