Book Barker, Andrew; (2000)
Scientific Method in Ptolemy's Harmonics (/isis/citation/CBB000100158/)

Article Duke, Dennis; (2009)
Mean Motions in Ptolemy's Planetary Hypotheses (/isis/citation/CBB000932306/)

Book Jones, Alexander; (2010)
Ptolemy in Perspective: Use and Criticism of His Work from Antiquity to the Nineteenth Century (/isis/citation/CBB001021794/)

Article Dambis, A. K.; Efremov, Yu. N.; (2000)
Dating Ptolemy's Star Catalogue through Proper Motions: The Hipparchan Epoch (/isis/citation/CBB000671360/)

Article Raina, Dhruv; (2002)
Ptolemy's Almagest---Or Re-Creations of Textual Communities? (/isis/citation/CBB000200036/)

Chapter Swerdlow, N. M.; (2005)
Ptolemy's Theories of the Latitude of the Planets in the Almagest, Handy Tables, and Planetary Hypotheses (/isis/citation/CBB000651347/)

Article Sidoli, Nathan; Berggren, J. L.; (2007)
The Arabic Version of Ptolemy's Planisphere or Flattening the Surface of the Sphere: Text, Translation, Commentary (/isis/citation/CBB000773658/)

Article Bernard, Alain; (2010)
The Significance of Ptolemy's Almagest for Its Early Readers (/isis/citation/CBB001252110/)

Book Swerdlow, N. M.; (2000)
Ancient Astronomy and Celestial Divination (/isis/citation/CBB000110580/)

Article Jones, Alexander; (2006)
Ptolemy's Ancient Planetary Observations (/isis/citation/CBB000671001/)

Article Jones, Alexander; (2005)
Ptolemy's Canobic Inscription and Heliodorus' Observation Reports (/isis/citation/CBB000651325/)

Article Jones, Alexander; Duke, Dennis; (2005)
Ptolemy's Planetary Mean Motions Revisited (/isis/citation/CBB000651415/)

Article Bowen, Alan C.; (2007)
The Demarcation of Physical Theory and Astronomy by Geminus and Ptolemy (/isis/citation/CBB000830785/)

Article Jones, Alexander; (2000)
Studies in the Astronomy of the Roman Period IV: Solar Tables Based on a Non-Hipparchian Model (/isis/citation/CBB000111298/)

Chapter Jones, Alexander; (2005)
“In order that we should not ourselves appear to be adjusting our estimates…to make them fit some predetermined amount” (/isis/citation/CBB000651346/)

Thesis Hamm, Elizabeth Anne; (2011)
Ptolemy's Planetary Theory: An English Translation of Book One, Part A of the “Planetary Hypotheses” with Introduction and Commentary (/isis/citation/CBB001562830/)

Article Feke, Jacqueline; (2011)
Ptolemy's Defense of Theoretical Philosophy (/isis/citation/CBB001250024/)

Book Ptolemy, ; (2000)
Harmonics (/isis/citation/CBB000741991/)

Book Barker, Andrew; (2007)
The Science of Harmonics in Classical Greece (/isis/citation/CBB000773347/)

Article Crane, Joseph; (2007)
Ptolemy's Digression: Astrology's Aspects and Musical Intervals (/isis/citation/CBB001034437/)