But Reversible still carries on, selling 150,000 paper collars and shirt ... and Snow wonders "if anyone in all of Harvard still wears the old fashioned neckband style shirt and detachable collar.

The first catalogue of Harvard University was published in 1803 on one sheet of paper, and ... wear a uniform which was of a certain color and style with different numbers of frogs on the cuffs.

Bandiera, Oriana, Andrea Prat, Raffaella Sadun, and Julie Wulf. "Span of Control and Span of Attention." Harvard Business School Working Paper, No. 12-053, December 2011. (Revised April 2014.) ...