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* [http://www.ams.org/notices/200111/rev-blank.pdf What Is Mathematics? An Elementary Approach to Ideas and Methods], book review by Brian E. Blank, ''Notices of the American Mathematical Society'' '''48''', #11 (December 2001), pp. 1325–1330
* [https://www.jstor.org/stable/3109832 What Is Mathematics?], book review by Leonard Gillman, ''The American Mathematical Monthly'' '''105''', #5 (May 1998), pp. 485–488.
== Editions ==
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