https://eo.wikipedia.org/wiki/NGC_6657
NGC 6657 - Vikipedio
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https://damit.cuni.cz/asteroid_models/view/6657
Model 6657 - (11169) Alkon - DAMIT
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https://ourstory.randwick.nsw.gov.au/nodes/view/9580
St Marks Road, Randwick : 6657-1919 | Randwick City Council
Date: 2nd December 1919 | Read the full record details for Council Documents: St Marks Road, Randwick : 6657-1919
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