00802cam a22002411 4500 s 13000011 DLC 20260227111910.0 780331m18491853dcu f000 0 eng c s 13000011 (OCoLC)3767453 Smithsonian Inst. Library NGenoU DLC premarc w4w5 Q11 .S68 vol. 2 Walker, Sears Cook, 1805-1853. An ephemeris of the planet Neptune ... [1846]-1852. By Sears C. Walker, esq. Washington, D.C., Gideon and Co., printers [1849-53] 4 pt. 32 cm. Smithsonian contributions to knowledge: vol. II, app. I-III; vol. III, app. I Smithsonian Institution publication 5-7, 24. Neptune (Planet) 52593 52593