Sears Cook Walker

Letter of Secretary of the Treasury, communicating a report by the Superintendent of the Coast survey

A treatise on astronomy

An ephemeris of the planet Neptune ... [1846]-1852

Observations of Encke's comet, at the High school observatory, Philadelphia, March and April 1842, with the Fraunhofer equatorial

Researches concerning the periodical meteors of August and November

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

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 1852

Ephemerides of Neptune, for the position of 1848

An ephemeris of the planet Neptune for the year 1851

An investigation of a formula for calculating the transfer of water from one level to another by the lockage of boats in canals

Researches relative to the planet Neptune