{
   "title": "Modern Wireless",
   "title-note": "London",
   "first-issue": {"issue-date": "1923-02"},
   "first-renewed-issue": "none",
   "first-renewed-issue-source": "cce",
   "first-renewed-contribution":
      {"issue": {"issue-date": "1933-10"}},
   "first-renewed-contribution-source": "1961-JanJun",
   "additional-note" : "This is a British publication.  Its contents may still be copyrighted even without renewals or copyright notices, if they meet GATT copyright restoration requirements for works first published outside the US.",
   "responsibility": {
      "authorized": "Mark Ockerbloom, John, 1966-",
      "contact": "ockerblo@pobox.upenn.edu"
   },
   "last-updated": "2020-02-25"
}