Roberts, David L. |
Albert Harry Wheeler (1873-1950) : a case study in the stratification of American mathematical activity / David L. Roberts. |
In: Historia mathematica Vol. 23 (1996), p. 269-287 |
Kidwell, Peggy Aldrich |
Tools of American mathematics teaching, 1800-2000 / Peggy Aldrich Kidwell, Amy Ackerberg-Hastings, David Lindsay Roberts. |
Washington : Smithsonian institution, 2008. |