What Should Have Entered the Public Domain in 2013?

From Open Culture:

What entered the public domain in the US in 2013? It’s not a long answer, because the answer is… nothing.

Now here’s a question that yields a longer answer. What books would have entered the public domain if we were still operating under reasonable, pre-1978 copyright laws? Here’s a little list that comes from Duke University’s Center for the Study of the Public Domain.

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