1. John Hiigli memorial page (2017). https://www.elmenymuhely.hu/farewell-to-john-hiigli-our-mentor-and-friend/?lang=en
2. Kristóf Fenyvesi (2016): Bridges: A world community for mathematical art. The mathematical intelligencer, ISSN: 0343–6993 (print version) ISSN: 1866–7414 (electronic version) The final publication is available at Springer via http://link.springer.com/article/10.1007/s00283-016-9630-9
3. Reza Sarhangi memorial page (2016). http://bridgesmathart.org/reza-sarhangi/
4. Sujan Shrestha (2016). In memoriam, Reza Sarhangi. Journal of Mathematics and the Arts10:1-4, p. 1–3