{
   "title": "Harvard Economic Studies",
   "online": "1",
   "first-renewed-issue": {"volume": "37", "cdate": "1932"},
   "first-renewed-issue-source": "1960-JanJun",
   "first-renewed-contribution": "none",
   "first-renewed-contribution-source": "cce+database",
   "additional-note": "The first renewal we found specifically mentioning this serial was filed under Books, not Periodicals.  Volumes of this serial typically have distinctive titles. Before concluding such volumes are in the public domain, search for renewals for books under those titles.  We have not systematically done such searches for this serial past the first active renewal.",
   "responsibility": {
      "authorized": "Mark Ockerbloom, John, 1966-",
      "contact": "ockerblo@pobox.upenn.edu"
   },
   "acknowledgement": 
      "Thanks to Nat Bender for copyright research on this title.",
   "last-updated": "2026-01-09"
}