Astronomical observations on the periodical star in Collo Ceti.
Phil. Trans., 1780, p. 338.
Astronomical observations relating to the mountains of the moon.
Phil. Trans., 1780, p. 507.
Astronomical observations on the rotation of the planets round their axes, made with a view to determine whether the earth's diurnal motion is perfectly equable.
Phil. Trans., 1781, p. 115.
Account of a comet. [Dated 13th March, 1781. This was Uranus.]
Phil. Trans., 1781, p. 492.
On the parallax of the fixed stars.
Phil. Trans., 1782, p. 82.