- WEEDING & SOWING by Hans Freudenthal, 1980
- An ICMI Report Change in Mathematics Education Since Rhe Late 1950's Ideas and Realisation by Hans, Ed. Freudenthal, 1978
- Lie groups and foundations of geometry by Hans Freudenthal, 1959
- Collected Works by Luitzen Egbertus Jan Brouwer, 1976-01
- The Concept and the Role of the Model in Mathematics and Natural and Social Scie by Hans (Organizer) Freudenthal, 1961-01-01
- Didactical Phenomenology of Mathematical by Hans Freudenthal , 1986-11-30
- The Concept and The Role of the Model in Mathematics and by Hans FREUDENTHAL, 1961
- Concept and the Role of the Model in Mathematics and Natural and Socia by Hans Freudenthal, 1961
- Review of Lincos by Hans Freudenthal (Social sciences working papers, 16b) by Louis Narens, 1973
- Lincos: Design of a Language For Cosmic Intercourse, Part I [Studies in Logic and The Foundations of Mathematics] by Dr. Hans Freudenthal, 1960
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