Public domain by age (first published c. 1930). This work was originally published before 1964 (i.e., in 1930 or earlier) and had to have the copyright renewed sometime in the 28th year. If the copyright was not renewed the work is in the public domain. Online searches of the U.S. Copyright Office's Copyright Records web site for "Adams County Courthouse" revealed no renewal entry for this work. Similar searches of the Stanford University Copyright Renewal Database reveals no copyright renewals for the work. Accordingly, it appears the copyright was not renewed and therefore it is in the public domain according to either criteria.)
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=Photographic postcard of [[Adams County Courthouse (North Dakota)]], [[Hettinger, North Dakota]] |Source=North Dakota State University Libraries, Institute for Regional Studies, Ronald Olin North Dakota Postcard Collection 20...
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