January 2, 1950
Rainbow's End
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January 4, 1950
Jeff Marco's Gang
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January 6, 1950
The Battle at Bradley's
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January 9, 1950
Barry Jeffer's Trust
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January 11, 1950
Red Devil
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January 13, 1950
The Miners' Meeting
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January 16, 1950
The Diamond Collar
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January 18, 1950
The Long Trail
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January 20, 1950
No Epitaph for Tombstone
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January 23, 1950
The Ten Thousand Dollar Rewards
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January 25, 1950
The Trap That Failed
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January 27, 1950
The Ghost Raider
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January 30, 1950
Casper Mott's Adventure
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February 1, 1950
Circumstantial Evidence
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February 3, 1950
Blind Man's Buff
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February 6, 1950
Jailbreak
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February 8, 1950
The Runaway Heir
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February 10, 1950
Flaming Valley
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February 13, 1950
The Haunted Mine
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February 15, 1950
The Black Cat
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(MP3)
February 17, 1950
Alias Al Gibson
Aboard the Yukon Queen's last run north to Dawson, Preston deals with a man traveling under the alias Al Gibson.
February 20, 1950
The Murdered Witness
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February 22, 1950
Trail's End
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February 24, 1950
Uncle Joe's Luck
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(MP3)
February 27, 1950
Guardian for Jimmy
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(MP3)
March 1, 1950
When Thief Catches Thief
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March 3, 1950
The Innocent Criminal
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March 6, 1950
Wolf Creek
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March 8, 1950
Restitution
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March 10, 1950
The Lost Lady
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March 13, 1950
Hidden Evidence
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(MP3)
March 15, 1950
Secret Orders
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March 17, 1950
The Man Who Fled
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March 20, 1950
The Cascade Case
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(MP3)
March 22, 1950
The Fugitive Bride
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(MP3)
March 24, 1950
The Wolf Cub
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March 27, 1950
Canyon Cache
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(MP3)
March 29, 1950
Mystery of the Ridge
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(MP3)
March 31, 1950
Twenty Little Indians
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(MP3)
April 3, 1950
Unfinished Note
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(MP3)
April 5, 1950
The Two Bullets
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(MP3)
April 7, 1950
Showdown on Shotgun Creek
April 10, 1950
Rusty Wins a Home
April 12, 1950
Den of Thieves
April 14, 1950
The Yukon Pirates
April 17, 1950
A Slight Case of Poison
April 19, 1950
The Gullible Grubstaker
April 21, 1950
A Job for Jim
April 24, 1950
The Three Black Dots
April 26, 1950
The Blackwood Treasure
April 28, 1950
Blacky Does His Bit
May 1, 1950
The Runaway Princess
May 3, 1950
The Young One
May 5, 1950
The Servants of the Queen
May 8, 1950
The Sleeping Man
May 10, 1950
Convict's Son
May 12, 1950
Madge and the Mounties
May 15, 1950
The Gold Convoy
May 17, 1950
The Hangman's Noose
May 22, 1950
Pursuit by Night
May 24, 1950
Trouble with Running Dog
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(MP3)
May 26, 1950
Wand Diamond
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(MP3)
A thirty-carat diamond is stolen from Carteret's, a case that opens in a San Francisco private detective's office.
May 29, 1950
Notorious Chet Craig
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May 31, 1950
The Dead Man's Trail
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(MP3)
June 2, 1950
The Angel of Death
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(MP3)
June 5, 1950
Six Gun Clue
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(MP3)
June 7, 1950
Jose's Return
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(MP3)
June 9, 1950
Revenge from Beyond
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(MP3)
June 28, 1950
The Bag of Gold
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(MP3)
July 7, 1950
Race of the River Boats
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(MP3)
July 10, 1950
The Diamond Solitaire
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(MP3)
July 19, 1950
Stolen Gold
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(MP3)
July 26, 1950
The Spread Eagle Raid
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(MP3)
August 2, 1950
The Beaverton Legacy
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(MP3)
August 9, 1950
A Change of Mind
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(MP3)
August 16, 1950
Ten Thousand Counterfeit
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(MP3)
August 23, 1950
The Branded Pelts
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(MP3)
August 30, 1950
Logan's Luck
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(MP3)
September 6, 1950
Cal Dorset's Heir
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(MP3)
September 11, 1950
The Gold Behind the Waterfall
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(MP3)
Gold hidden behind a waterfall spells danger for Charlie Breen, and Preston is drawn in.
September 13, 1950
The Polar Quest
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(MP3)
Preston and King escort a military governor on an inspection tour to a far-northern post on the Beaufort Sea.
September 15, 1950
Left to Die
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(MP3)
September 18, 1950
The Sack of Sand
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(MP3)
Maisie Vail's gang holds up an express agent carrying gold dust to a departing boat, and the agent's son provides the key clue.
September 20, 1950
The Malemute Express
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(MP3)
September 22, 1950
The Torn Map
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(MP3)
A torn map and a deadly falling-out among crooks over a man named Rolf Collier draw Preston into the case.
September 25, 1950
Diagram of Danger
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(MP3)
September 27, 1950
The Red Raiders
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(MP3)
September 29, 1950
Dog Crazy
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(MP3)
October 2, 1950
The Malacca Cane
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(MP3)
October 4, 1950
The Vagabond
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(MP3)
October 6, 1950
The Criminal Collie
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(MP3)
October 9, 1950
The Blue Paper
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(MP3)
October 11, 1950
Harper's Castle
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(MP3)
October 13, 1950
A Dog Called Sparky
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(MP3)
October 16, 1950
Fugitive from Bald Rock
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(MP3)
October 18, 1950
The Masked Gunman
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(MP3)
October 20, 1950
Out of the Night
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(MP3)
October 23, 1950
Heart of a Killer
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(MP3)
October 25, 1950
Dead Man's Whistle
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(MP3)
October 27, 1950
A Call to Action
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(MP3)
October 30, 1950
Undercover
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(MP3)
November 1, 1950
Contention
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(MP3)
November 3, 1950
Whistling in the Dark
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(MP3)
November 6, 1950
Friend in Need
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(MP3)
November 8, 1950
The Ghost Riders
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(MP3)
A white-robed bandit gang terrorizes the Selkirk country, robbing and killing without a trace, until Preston and King are sent in.
November 10, 1950
White Flash
November 13, 1950
The Clue of the Silver Pup
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(MP3)
November 15, 1950
Passport to Death
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(MP3)
November 17, 1950
The Telltale Knife
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(MP3)
November 20, 1950
The Wrong Map
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(MP3)
November 22, 1950
The Rebel Yell
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(MP3)
November 24, 1950
Death Waits on the River
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(MP3)
November 27, 1950
The Man in the Canyon
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(MP3)
November 29, 1950
Gold Fever
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(MP3)
December 1, 1950
Spider Burke's Daughter
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(MP3)
December 4, 1950
Wild Dog
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(MP3)
December 6, 1950
The Indian Sign
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(MP3)
December 8, 1950
The Notorious Hawk Cooper
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(MP3)