The Phantom of the West

Overview
A young man's father is murdered and the man convicted of the crime escapes prison, leaving a note intimating that seven local men know the real killer's true identity. The murdered man's son sets out to locate the seven men and find his father's slayer in this ten episode serial.
Similar
The Wolf Dog (1933)
Perils of the Royal Mounted (1942)
The New Adventures of Tarzan (1935)
Flash Gordon (1936)
Blazing the Overland Trail (1956)
Drums of Fu Manchu (1940)
Cody of the Pony Express (1950)
The Adventures of Ruth (1919)
King of the Mounties (1942)
Son of Geronimo (1952)
The Spider Returns (1941)
Scouts to the Rescue (1939)
Overland Mail (1942)
Jesse James Rides Again (1947)
The Adventures of Smilin' Jack (1943)
Roar of the Iron Horse (1951)
Rustlers of Red Dog (1935)
Bride 13 (1920)
Zorro's Fighting Legion (1939)
Gunfighters of the Northwest (1954)