1. On a Greek qualitative planetary model of the epicyclic variety;Aaboe;Centaurus,1963
2. Episodes from the early history of astronomy;Aaboe,2001
3. Aristotelis de caelo;Allan,1955
4. Scientific method in Ptolemy's ‘Harmonics’;Barker,2000
5. Eudoxi ars astronomica qualis in charta aegyptiaca superest denuo edita a Friderico Blass;Blass,1887