Ephemeris of the planet Neptune for the date of the Lalande Observations of May 8 and 10, 1795, and for oppositions of 1845,1848, and 1849

by Walker, Sears Cook 1805-1853
Published 1849

<<An>> ephemeris of the planet Neptune for the year 1851

by Walker, Sears Cook 1805-1853
Published 1851

<<An>> ephemeris of the planet Neptune for the year 1850

by Walker, Sears Cook 1805-1853
Published 1851

Researches relative to the planet Neptune /

by Walker, Sears Cook 1805-1853
Published 1851

Appendix I. to volume III. of the Smithsonian Contributions to Knowledge containing an Ephemeris of the Planet Neptune for the year 1852

by Walker, Sears Cook 1805-1853
Published 1852

Appendix I. to volume III. of the Smithsonian Contributions to Knowledge containing an Ephemeris of the Planet Neptune for the year 1852

by Walker, Sears Cook 1805-1853
Published 1852