United States Naval Observatory. Nautical Almanac Office. (1855). The American ephemeris and nautical almanac. U.S. Govt. Print. Off.; For sale by the Supt. of Docs., U.S. Govt. Print. Off.
MLA CitationUnited States Naval Observatory. Nautical Almanac Office. The American Ephemeris and Nautical Almanac. U.S. Govt. Print. Off.; For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1855.
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