Why Play Leap Frog?
Public domainCold War-era cartoon aimed at convincing workers that increased productivity brings about greater purchasing power.
Public domain
Rights evidence
Review the linked source rights statement.
Suggested attribution
Why Play Leap Frog?. Sutherland (John) Productions, Inc.. Internet Archive / Prelinger Archives.
Why Play Leap Frog?. Sutherland (John) Productions, Inc.. Internet Archive / Prelinger Archives.
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