The Steam Locomotive
1940
Railroads and Western Expansion 1845-1865
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The Pill Poppers
1970
Tractor Ted Meets More Animals
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Drugs: The First Decision
1971
Living with the Atom
1957
The Swedish Troll Factory
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The Fun of Making Friends
1950
Science and Superstition
1947
Alcohol Is Dynamite
1958
Eebee's Adventures - Exploring Real Stuff
2005
Eebee's Adventures - Music and Sound
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I Walk Away in the Rain
1968
Trial for Marriage
1936
All About Astronauts / All About Cowboys
2005
The Veluwe
1923
Tractor Ted Down on the Farm
2017
Sanctuary
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Soapy the Germ Fighter
1951
JumpStart Kindergarten: Why Did the Bus Stop?
1999