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U. S. Naval Observatory

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2014 Nautical Almanac
2013 Nautical Almanac
Reports of Foreign Societies on Awarding Medals to the American Arctic Explorers, Kane, Hayes, Hall
The American Ephemeris and Nautical Almanac For the Year 1886 (Classic Reprint)
The American Ephemeris and Nautical Almanac for the Year 1917 (Classic Reprint)
The American Ephemeris and Nautical Almanac for the Year 1916 (Classic Reprint)