References

Friendly, M. and Denis, D.J. (2001) ‘Milestones in the history of thematic cartography, statistical graphics, and data visualization’. https://www.datavis.ca/milestones/.

Hatfield, G. (2018) ‘René Descartes’, in E.N. Zalta (ed.) The Stanford Encyclopedia of Philosophy. Summer 2018. Metaphysics Research Lab, Stanford University.

Spaeth, O.V. (2000) ‘Dating the Oldest Egyptian Star Map’, Centaurus, 42(3), pp. 159–179. Available at: https://doi.org/10.1034/j.1600-0498.2000.420301.x.