> fun fact: most books published in the US before 1964 are in the public domain <https://www.crummy.com/2019/07/22/0 https://www.crummy.com/2019/07/22/0> Subm

> fun fact: most books published in the US before 1964 are in the public domain <https://www.crummy.com/2019/07/22/0 https://www.crummy.com/2019/07/22/0> Submitted to HN 2019 August 02. 62 comments. <https://news.ycombinator.com/item?id=20591071 https://news.ycombinator.com/item?id=20591071>