Title Theoretical astronomy relating to the motions of the heavenly bodies revolving around the sun in accordance with the law of universal gravitation, [electronic resource] embracing ... the formulOE for the calculation of the geocentric and heliocentric places, for the determination of the orbits ... , for the correction of approximate elements, and for the computation of special perturbations; together with the theory of the combination of observations and the method of least squares. ... By James C. Watson.