1. René Descartes, Discours de la méthode, VI in Oeuvres Complètes, Adam-Tannery (ed.), Paris, Vrin, 1996 (AT VI, 62).
2. James J. Gibson, The Ecological Approach to Visual Perception, Routledge, 2014.
3. Edmund Husserl, Méditations Cartésiennes, Paris, Vrin 2014.
4. Edmund Husserl, Die Krisis der Europäischen Wissenschaften und die transzendantale Phänomenologie, Husserliana VI, Martinus Nijhoff, 1954.
5. David W. Johnson, Self in Nature, Nature in the Lifeworld: a Reinterpretation of Watsuji’s Concept of Fûdo, in Philosophy East and West, vol. 68, issue 4, 2018.