Nadis, S. J., & Yau, S. (2013). A history in sum: 150 years of mathematics at Harvard (1825-1975). Harvard University Press.

Nadis, Steven J., and Shing-Tung Yau. A History in Sum: 150 Years of Mathematics at Harvard (1825-1975). Cambridge, Massachusetts: Harvard University Press, 2013.

Nadis, Steven J., and Shing-Tung Yau. A History in Sum: 150 Years of Mathematics at Harvard (1825-1975). Harvard University Press, 2013.