Kenneth P. Williams

Lincoln finds a general

A comparison of the solar theories of Newcomb and LeVerrier

The transits of Mercury

The transits of Mercury; determination of corrections to the elements of Mercury's orbit, the semi-diameters of the sun and Mercury, the mass of Venus, and the secular retardation of the earth's rotation

The mathematical theory of finance

The dynamics of the airplane

The derivation of Poisson's equation by means of Gauss's theorem of the arithmetic mean