Heeffer, Albrecht, and Maarten Van Dyck. 2010. 26 Studies in Logic Philosophical Aspects Of Symbolic Reasoning In Early Modern Mathematics. College Publications.

Heeffer, Albrecht. Submitted. “On The Interpretation Of Early Italian Bartering Problems”.

Heeffer, Albrecht. 2008. “An Introduction To Wasan, Native Japanese Mathematics”. History and Pedagogy of Mathematics 68: 20–24. http://dx.doi.org/1854/11413.

Heeffer, Albrecht. 2007. “Learning Concepts Through The History Of Mathematics: The Case Of Symbolic Algebra.” Karen François and Van Bendegem, Jean Paul. Philosophical dimensions in mathematics education: 83–103.

Heeffer, Albrecht. 2006. “Van Precepten Tot Vergelijkingen. De Conceptuele Ontwikkeling Van Symbolische Algebra In De Zestiende Eeuw”.

Heeffer, Albrecht. 2009. “On The Nature And Origin Of Algebraic Symbolism”. In New Perspectives on Mathematical Practices. Essays in Philosophy and History of Mathematics., New Perspectives on Mathematical Practices. Essays in Philosophy and History of Mathematics., Bart Van Kerkhove. World Scientific Publishing. http://www.worldscibooks.com/etextbook/6810/6810\_chap01.pdf.

Heeffer, Albrecht. 2011. “Hypocrisie Binnen De Wiskunde?”. Wiskunde & onderwijs 148: 306–315.

Heeffer, Albrecht. 2007. “Mathematics Education Through Lesson Study In The Asia-Pacific Region”. History and Pedagogy of Mathematics Newsletter 66: 4–6.

Heeffer, Albrecht. 2010. “Estienne De La Roche’S Appropriation Of Chuquet (1484)”. In 3rd International Conference of the European Society for the History of Science, 3rd International Conference of the European Society for the History of Science, Hermann Hunger.

Heeffer, Albrecht. In Press. “Dutch Algebra And Arithmetic In Japan Before The Meiji Restoration” I.M. Vandoulakis and Dun, Liu. Navigating across Mathematical Cultures and Times: Exploring the Diversity of Discoveries and Proofs.

Heeffer, Albrecht. 2009. “The Abbacus Tradition: The Missing Link Between Arabic And Early Symbolic Algebra?”.

Heeffer, Albrecht. 2006. “The Methodological Relevance Of The History Of Mathematics For Mathematics Education”. In Proceedings of the International Conference on 21st Century Information Technology in Mathematics Education, Proceedings of the International Conference on 21st Century Information Technology in Mathematics Education, G Dhompongsa, Bhatti, F, and Kitson, Q.

Heeffer, Albrecht. 2006. “The Logic Of Disguise: Descartes' Discovery Of The Sine Law”. Historia scientiarum. International Journal of the History of Science Society of Japan 16: 144–165.

Heeffer, Albrecht. 2008. “Negative Numbers As An Epistemic Difficult Concept. Some Lessons From History.”. In History and Pedagogy of Mathematics. Satellite Meeting of International Congress on Mathematical Education 11, 14 - 18 July 2008., History and Pedagogy of Mathematics. Satellite Meeting of International Congress on Mathematical Education 11, 14 - 18 July 2008., C. Tzanakis. Centro Cultural del México Contemporanéo.

Heeffer, Albrecht. 2011. “Historical Objections Against The Number Line”. Science and Education 20: 863–880.

Heeffer, Albrecht. 2007. “Father Henri Bosmans (S.j.) A Belgian Pioneer In The History Of Mathematics”. History and Pedagogy of Mathematics Newsletter 65: 12–15.

Haesaert, Lieven. 2002. “Een Adaptieve Logica Voor Het Beschrijven Van Inductie”. In Handelingen van de 24ste Nederlands-Vlaamse Filosofiedag: Filosofie en Empirie, Handelingen van de 24ste Nederlands-Vlaamse Filosofiedag: Filosofie en Empirie, Universiteit Amsterdam.

Haesaert, Lieven. 2004. “A Non-Probabilistic Approach To Inductive Prediction”.

Haesaert, Lieven. 2005. “Adaptieve Inductielogica's. Theory En Praktijk Van Het Inductief Redeneren”.