期刊名:Observations made during the year ... at the United States Naval Observatory/issn:1061-3129

Continued by:Astronomical, magnetic and meteorological observations made during the year ... at the United States Naval Observatory [1061-3137] Continues:Astronomical and meteorological observations made during the year ... at the United States Naval Observatory [1061-3110]
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Available from 1887 until (and including) 1893