It is imperative that contributors search the renewal databases and ascertain that there is no evidence of a copyright renewal before using this license. Failure to do so will result in the deletion of the work as a copyright violation.
The author died in 1994, so works by this author are also in the public domain in countries and areas where the copyright term is the author's life plus 25 years or less. Works by this author may also be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
Works published in 1933 would have had to renew their copyright in either 1960 or 1961, i.e. at least 27 years after it was first published / registered but not later than in the 28th year. As it was not renewed, it entered the public domain on .