Bos, Henk J. M. (1992), "In memoriam Hans Freudenthal (1905–1990)", Historia Mathematica, 19 (1): 106–108, doi:10.1016/0315-0860(92)90070-R.
Veldkamp, F. D. (1985), "In honor of Hans Freudenthal on his eightieth birthday", Geometriae Dedicata, 19 (1): 3–5, doi:10.1007/BF00233100, S2CID122234088.
Pupils achievements internationally compared — the IEA. Educational Studies in Mathematics 6, 127–186. According to PISA critic Joachim Wuttke, some of the points Freudenthal made still apply to the most recent international school studies: unequal enrollment rates, the unsolved translation problem, lacking curricular validity, reading items that contain deeper science than the science items, overinterpretation of numerical outcomes, Kafkaesk confusion in the documentation and in the underlying decisions, dogmatic rejection of criticism [1].
Veldkamp, F. D. (1985), "In honor of Hans Freudenthal on his eightieth birthday", Geometriae Dedicata, 19 (1): 3–5, doi:10.1007/BF00233100, S2CID122234088.