Copyright

The link below provides some helpful information on copyright law.  See sections "Expired Copyright" and "The Renewal Trapdoor" for info about the 1923 and 1964 cutoff dates.  According to the article, everything published in 1922 and earlier is currently out of copyright.  Items published in the year 1923 will be out of copyright beginning in 2019, items published in the year 1924 will be out of copyright beginning in 2020, and so forth going forward.


http://fairuse.stanford.edu/overview/public-domain/welcome/


SB