Quote:
Originally Posted by HarryT
Ruth Plumly Thompson died in 1976. Her books are most assuredly not in the public domain anywhere.
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Due to the interesting US requirement of all copyrights between 1923 and 1963 having to have been actively renewed in their 28th year, many US works originally copyrighted in that 40-year window are actually in the public domain. The Silver Princess is one of those books.
My focus is completely on the more obscure books copyrighted in that window. They are in the greatest danger of being lost forever because it requires research to determine if they are indeed in PD.