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Related to know by sight: known by sight
References in classic literature ?
On the other hand, it was most improbable that a distinguished detective would know by sight an obscure delinquent like myself; besides, this one had come to the front since my day.
If you are expecting a caller you do not already know by sight, always ask for identification.
I ride my bicycle every morning possible (commuting to work and for recreation), and have come to know by sight the many walkers, runners, and other cyclists out enjoying the exercise and fresh air.