Christophorus Clavius, Italian astronomer - Stock Image - C052/8313 - Science Photo Library

CHRISTOPHORUS CLAVIUS Smithsonian Institution

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Christophorus Clavius, Italian Beach Towel

Astronomical calendar - Stock Image - V700/0098 - Science Photo Library

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Calendar, 16th century - Stock Image - C056/2882 - Science Photo Library

Clavius, Christophorus

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Christopher Clavius - Wikipedia

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Christopher Clavius, German astronomer - Stock Image - C025/8249 - Science Photo Library

PDF) Christopher Clavius astronomer and mathematician