English: Photo of Len Doyle as Harrington from the radio show Mr. District Attorney.
A search for renewals was done in periodicals for the years 1974 and 1975. There were no listings for the title "Radio Mirror". There's no evidence of continuing copyright for the magazine.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
{{Information |Description=Photo of Len Doyle as Harrington from the radio show ''Mr. District Attorney''. |Source=[http://archive.org/stream/radiom00mac#page/n125/mode/2up page 28] Radio Mirror |Date=[https://archive.org/stream/radiom00mac#page/n97/mo...
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