Ptolemy · 1940 | ChronoCite

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← Ptolemy timeline

Jan 1, 1940Documented record79% confidence

Published “Tetrabiblos” in Digital Loeb Classical Library — cited 52 times.

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Captured 2026-08-16 from Crossref. The archived copy is preserved so this citation survives link rot.

Ptolemy · 1940 | ChronoCite