O'Gallagher, F. (1785). An essay on the investigation of the first principles of nature: Together with the application thereof to solve the phænomena of the physical system. Part II, In which the nature and fuel of the sun are physically investigated : the real principles of cold and darkness assigned : the nature and motion of comets explained : the material cause of the planetary motions exhibited : the tenet of attraction discussed and rectified : and the phænomena of electricity, gravity and cohesion solved ... Printed by John Chambers.

O'Gallagher, Felix. An Essay on the Investigation of the First Principles of Nature: Together with the Application Thereof to Solve the Phænomena of the Physical System. Part II, In Which the Nature and Fuel of the Sun Are Physically Investigated : The Real Principles of Cold and Darkness Assigned : The Nature and Motion of Comets Explained : The Material Cause of the Planetary Motions Exhibited : The Tenet of Attraction Discussed and Rectified : And the Phænomena of Electricity, Gravity and Cohesion Solved ... Printed by John Chambers, 1785.