Gray, Edward Martin (2008) Compressing the counting process. In: Thompson, Ian , (ed.) Teaching and learning early number. Maidenhead, England ; New York: Oxford University Press, pp. 82-94. ISBN 9780335234110

Gray, Eddie (2008) Lessons from the past and concerns for the future. Mediterranean Journal for Research in Mathematical Education - an International Journal, Vol.7 (No.2). pp. 1-9. ISSN 1450-1104 .

Gray, Eddie and Doritou, Maria (2008) The Number Line representation within the National Numeracy Strategy : children's estimation skills. Mediterranean Journal for Research in Mathematical Education - an International Journal, Vol.7 (No.2). pp. 165-181. ISSN 1450-1104 .

Gray, Eddie and Bayazit, I. (2008) Qualitative differences in the teaching and learning of the constant function. Mediterranean Journal for Research in Mathematical Education - an International Journal, Vol.7 (No.2). pp. 147-163. ISSN 1450-1104 .

Gray, Edward Martin and Doritou, Maria (2008) The number line : ambiguity and interpretation. In: 32nd Conference of the International Group for the Psychology of Mathematics Education/PME-NA XXX, Morelia, Mexico, Jul 17-21, 2008. Published in: Proceedings of PME Conference, Volume 3 pp. 97-104. ISBN 9786079501327. ISSN 0771-100X.

Tall, David, Gray, Edward Martin, Bin Ali, Maselan, Crowley, Lillie, DeMarois, Phil, McGowen, Mercedes, Pitta, Demetra, Pinto, Marcia, Thomas, Michael and Yusof, Yudariah (2001) Symbols and the bifurcation between procedural and conceptual thinking. Canadian Journal of Science, Mathematics and Technology Education, Vol.1 . pp. 81-104. ISSN 1492-6156.

Gray, Edward Martin, Pitta, Demetra and Tall, David (2000) Objects, actions, and images: a perspective on early number development. Journal of Mathematical Behavior, Vol.18 (No.4). pp. 401-413. doi:10.1016/S0732-3123(00)00025-0 ISSN 0732-3123.

Tall, David, Thomas, M., Davis, G., Gray, Edward Martin and Simpson, Adrian (2000) What is the object of the encapsulation of a process? Journal of Mathematical Behavior, Vol.18 (No.2). pp. 223-241. doi:10.1016/S0732-3123(99)00029-2 ISSN 0732-3123.

Gray, Edward Martin, Pinto, Marcia, Pitta, Demetra and Tall, David (1999) Knowledge construction and diverging thinking in elementary & advanced mathematics. Educational Studies in Mathematics, Vol.38 (No.1-3). pp. 111-133. doi:10.1023/A:1003640204118 ISSN 0013-1954.

Gray, Edward Martin (1993) Qualitatively different approaches to simple arithmetic. PhD thesis, University of Warwick.