Robert Welles Ritchie

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• The Fighting Heiress

  The Fighting Heiress

• The Oil Field Plot

  The Oil Field Plot

• The Net of Intrigue

  The Net of Intrigue

• Border Wolves

  Border Wolves

• A Mission of State

  A Mission of State

• The Ore Plunderers

  The Ore Plunderers

• The Trapping of Two-Bit Tuttle

  The Trapping of Two-Bit Tuttle

• The Screened Vault

  The Screened Vault

• The Son of Cain

  The Son of Cain

• The Trail of Graft

  The Trail of Graft

• The Witch of the Dark House

  The Witch of the Dark House

• The Harvest of Gold

  The Harvest of Gold

• The Missing Heiress

  The Missing Heiress

• Grant, Police Reporter

  Grant, Police Reporter

• The Moonstone of Fez

  The Moonstone of Fez

• The Turquoise Mine Conspiracy

  The Turquoise Mine Conspiracy

• The Wolf of Los Alamos

  The Wolf of Los Alamos

• The Treasure of Cibola

  The Treasure of Cibola

• The Homesteaders Feud

  The Homesteaders Feud

• The Trap

  The Trap

• The False Prophet

  The False Prophet

• The Resurrection of Gold Bar

  The Resurrection of Gold Bar

• The Yellow Hand

  The Yellow Hand

• Mystery of Room 422

  Mystery of Room 422

• The Tigers Claw

  The Tigers Claw

• The Dominion of Fernandez

  The Dominion of Fernandez

• The Pencil Clue

  The Pencil Clue

• On the Brink of War

  On the Brink of War

• The Violet Ray

  The Violet Ray

• The Stain of Chuckawalla

  The Stain of Chuckawalla

• Winged Diamonds

  Winged Diamonds

• The Mirror of Fear

  The Mirror of Fear

• The Web of Guilt

  The Web of Guilt

• The Fight for Paradise Valley

  The Fight for Paradise Valley

• The Trunk Mystery

  The Trunk Mystery

• Tigers Unchained

  Tigers Unchained

• The Poisoned Dart

  The Poisoned Dart

• The Gun Runners

  The Gun Runners

• The Man from Yukon

  The Man from Yukon

• In the Web of the Spider

  In the Web of the Spider

• The Mystery of the Brass Bound Chest

  The Mystery of the Brass Bound Chest

• The Code Letter

  The Code Letter

• The Black Circle

  The Black Circle

• The Secret of the Borgias

  The Secret of the Borgias

• The Rogues Pawn

  The Rogues Pawn

• The Wizards Plot

  The Wizards Plot

• The Veiled Thunderbolt

  The Veiled Thunderbolt

• The House of Secrets

  The House of Secrets

• The Menace

  The Menace

• The Missing Financier

  The Missing Financier

• Sign of the Scarf

  Sign of the Scarf

• A Battle in the Dark

  A Battle in the Dark

• The House of Three Deuces

  The House of Three Deuces

• The Reformation of Dog Hole

  The Reformation of Dog Hole