1. Abbott, E. A. (1884). Flatland: A romance of many dimensions. Seeley & Co.
2. Adlam, E. (2017). Spooky action at a temporal distance. Entropy, 2018(20), 41.
3. Almäng, J. (2014). Tense as a feature of perceptual content. The Journal of Philosophy, 111(7), 361–378.
4. Anscombe, G. E. M. (1957/2000). Intention. Harvard University Press.
5. Aquinas, T. (c. 1274/1993) Summa theologica. In The collected works of St. Thomas Aquinas: Electronic edition. Fathers of the English Dominican Province (trans.). http://pm.nlx.com.ezproxy.is.ed.ac.uk/xtf/view?docId=aquinas/aquinas.02.xml;chunk.id=idfront02;toc.depth=1;toc.id=idfront02;brand=default. Accessed 22 March, 2019.