Sears Cook Walker

1805 – 1853

• Determination of the longitude of several stations near the northern boundary of Ohio, from transits of the moon, and moon-culminating stars, observed in 1835, by Andrew Talcott
• Researches concerning the periodical meteors of August and November
• A treatise on astronomy
• An ephemeris of the planet Neptune ... [1846]-1852
• An ephemeris of the planet Neptune for the date of the Lalande observations of May 8th and 10th, 1795, and for the oppositions of 1846, 1847, 1848, and 1849, computed for the Smithsonian institution
• An ephemeris of the planet Neptune for the year 1851
• An ephemeris of the planet Neptune for the year 1852
• An investigation of a formula for calculating the transfer of water from one level to another by the lockage of boats in canals
• Ephemerides of Neptune, for the position of 1848
• Letter of Secretary of the Treasury, communicating a report by the Superintendent of the Coast survey
• Observations of Encke's comet, at the High school observatory, Philadelphia, March and April 1842, with the Fraunhofer equatorial
• Researches relative to the planet Neptune