MURRAY, D. R. Preserving Precious Instruments in Mathematics History: The Educational Museum of Teachers College and David Eugene Smith’s Collection. Journal of Mathematics Education at Teachers College, [S. l.], v. 2, n. 2, 2011. DOI: 10.7916/jmetc.v2i2.720. Disponível em: https://journals.library.columbia.edu/index.php/jmetc/article/view/720. Acesso em: 6 may. 2024.