The History of Typography
2013
Four-Point Conics
1961
Tea Making Tips
1941
Suiciders Beware!
1967
Railroads and Western Expansion 1845-1865
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Car Theft
1956
Creating Gender Inclusive Schools
2016
Infinitude
2016
The Road of Health
1938
Tractor Ted Feathered Friends
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'LSD': Trip or Trap!
1967
Conversation on a Train
1947
Tractor Ted Songs
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Health for the Americas: Hookworm
1945
Who's More Important, What's More Necessary
1930
Keeping Clean and Neat
1956
Tractor Ted Meets the Animals
2005
Tractor Ted Big Machines
2014
Tractor Ted Hello Ewe!
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Theory of the C-1 Autopilot, Part 1: Basic Principles
1943