Heeffer, Albrecht. 2008. “A Conceptual Analysis Of Early Arabic Algebra” Shahid Rahman, Street, Tony, and Tahiri, Hassan. The unity of science in the arabic tradition : science, logic, epistemology and their interactions: 89–128. http://dx.doi.org/1854/11276.

Heeffer, Albrecht. 2006. “Récréations Mathématiques (1624): A Study On Its Authorship, Sources And Influence”. Gibecière 1: 77–167.

Heeffer, Albrecht. 2010. “The Body In Renaissance Arithmetic: From Mnemonics To Embodied Cognition”. In Proceedings of the Thirty Sixth Annual Convention of the Society for the Study of Artificial Intelligence and Simulation, Proceedings of the Thirty Sixth Annual Convention of the Society for the Study of Artificial Intelligence and Simulation, Alison Pease, Guhe, Markus, and Smaill, Alan. The Society for the Study of Artificial Intelligence and the Simulation of Behaviour.

Heeffer, Albrecht. 2011. “From Problem Solving To The Teaching Of Algebra: The Genesis Of The Algebra Textbook” Fanny Seroglou, Koulountzos, Vassilis, and Siatras, Anastasios. 11th international IHPST and 6th Greek history, philosophy and science teaching joint conference, Proceedings: 344-347.

Heeffer, Albrecht. 2008. “The Emergence Of Symbolic Algebra As A Shift In Predominant Models”. Foundations of Science 13: 149–161. http://dx.doi.org/10.1007/s10699-008-9124-0.

Heeffer, Albrecht. 2011. “On The Curious Historical Coincidence Of Algebra And Double-Entry Bookkeeping” Karen François, Löwe, Benedikt, Müller, Thomas, and Van Kerkhove, Bart. Foundations of the formal sciences VII : bringing together philosophy and sociology of science 32: 109–130. http://www.collegepublications.co.uk/logic/?00021.

Heeffer, Albrecht, and Harold Heeffer. 2007. “Near-Optimal Strategies For The Game Of Logik”.

Heeffer, Albrecht. 2008. “Regiomontanus And Chinese Mathematics” Erik Weber. PHILOSOPHICA 82: 87–114.

Heeffer, Albrecht. 2011. “The Rhetoric Of Problems In Algebra Textbooks From Pacioli To Euler”.

Heeffer, Albrecht. 2007. “The Tacit Appropriation Of Hindu Algebra In Renaissance Practical Arithmetic”. Ganita Bharati 29: 1–60.

Heeffer, Albrecht. 2010. “The Symbolic Model For Algebra: Functions And Mechanisms” Lorenzo Magnani, Carnielli, Walter A, and Pizzi, Claudio. Model-Based Reasoning in Science and Technology 314: 519–532. http://dx.doi.org/10.1007/978-3-642-15223-8\_29.

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”.

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

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

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.