skos:altLabel | - Optics
- Tolomeo
- Hellenistic Greek
- Geographia
- Ptolemaeus
- Ptolemy VIII
- Ptolemy VI
- Ptolemy VI of Egypt
- Ptolemy's Geography
- geographers
- ''Optics''
- Claudii Ptolemaei
- Claudius Ptolemaeus
- Claudius Ptolemaeus (Ptolemy)
- Claudius Ptolemaios
- Claudius Ptolemy
- Claudius Ptolemy's
- Claudius Ptolomeus
- PTOLOMY, CLAUDIUS
- Ptol.
- Ptolemaic
- Ptolemaic astronomy
- Ptolemaic theory
- Ptolemaios
- Ptolemeic system
- Ptolemic
- Ptolemies
- Ptolemy Hephaestion
- Ptolemy IV
- Ptolemy IX
- Ptolemy and Ancient Astronomy
- Ptolemy of Alexandria
- Ptolemy of Alexandria's
- Ptolemy the Astronomer
- Ptolemy#Optics
- Ptolemy's
- Ptolemy's ''Harmonics''
- Ptolemy's Atlas
- Ptolemy, Claudius
- Ptolemy’s
- Ptolomaic
- Ptolomee
- Ptolomeus
- planetary hypotheses
- ptolemaic
- ptolemy
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