An introduction to the true astronomy : Or, Astronomical lectures read in the Astronomical School of the University of Oxford. By John Keill, M.D. fellow of the Royal Society, and professor of Astronomy in that University. - Keill, John, (Printed for J. Buckland, J. Beecroft, J. and F. Rivington, R. Baldwin, W. Johnston, G. Keith, B. Law, S. Crowder, L. Hawes and Co.,, 1769)