TY  - BOOK
AU  - Walker,Sears Cook
TI  - An ephemeris of the planet Neptune ... [1846]-1852
T2  - Smithsonian contributions to knowledge: vol. II, app. I-III; vol. III, app. I
AV  - Q11 .S68 vol. 2
PY  - 1849///-53]
CY  - Washington, D.C.
PB  - Gideon and Co., printers
KW  - Neptune (Planet)
ER  -