- Of modern semi-popular works entirely devoted to and covering the subjects treated of in this article the principal is Simon Newcomb's The Stars, a Study of the Universe; mention must also be made of Miss A.
Hill, Newcomb's distinguished collaborator in the Nautical Almanac office, and thus was ' Smithsonian Contributions to Knowledge, vol.
Among Newcomb's most notable achievements are his researches in connexion with the theory of the moon's motion.
In the Astronomical Papers of the American Ephemeris will be found a large number of contributions from Newcomb's pen on some fundamental and most important questions of astronomy.
Newcomb's explanation of the lengthening of the Eulerian period is found in the Monthly Notices of the Royal Astronomical Society for March 1892.