Book Newton, Robert R. (1982)
The origins of Ptolemy's astronomical parameters. (/isis/citation/CBB000006465/) unapi

Article Newton, Robert R. (1982)
An analysis of the solar observations of Regiomontanus and Walther. Quarterly Journal of the Royal Astronomical Society (pp. 67-93). (/isis/citation/CBB000013424/) unapi

Article Gingerich, Owen (1980)
Was Ptolemy a fraud?. Quarterly Journal of the Royal Astronomical Society (pp. 253-266). (/isis/citation/CBB000013872/) unapi

Article Newton, Robert R. (1980)
The sources of Eratosthenes' measurement of the earth. Quarterly Journal of the Royal Astronomical Society (pp. 379-387). (/isis/citation/CBB000014224/) unapi

Book Newton, Robert R. (1979- 1984)
The moon's acceleration and its physical origins. (/isis/citation/CBB000022806/) unapi

Article Newton, Robert R. (1979)
On the fractions of degrees in an ancient star catalogue. Quarterly Journal of the Royal Astronomical Society (pp. 383-394). (/isis/citation/CBB000027736/) unapi

Book Newton, Robert R. (1977)
The crime of Claudius Ptolemy. (/isis/citation/CBB000027444/) unapi

Article Newton, Robert R. (1977)
Remarks on “Hipparchus's solar theory derived from lunar eclipse observations”, by K.P. Moesgaard. Journal for the History of Astronomy (pp. 200-203). (/isis/citation/CBB000022761/) unapi

Book Newton, Robert R. (1976)
Ancient planetary observations and the validity of ephemeris time. (/isis/citation/CBB000021154/) unapi

Article Newton, Robert R. (1974)
The authenticity of Ptolemy's eclipse and star data. Quarterly Journal of the Royal Astronomical Society (p. 107). (/isis/citation/CBB000024248/) unapi