Søren Kierkegaard
https://datos.bne.es/persona/XX917283.html
https://www.philosophica.info/voces/kierkegaard/Kierkegaard.html
https://iep.utm.edu/kierkega/
https://www.lavanguardia.com/vivo/psicologia/20220420/8210825/teoria-existencialista-soren-kierkegaard-nbs.html
https://plato.stanford.edu/entries/kierkegaard/
https://www.youtube.com/watch?v=EPPv86zg9gs
https://www.youtube.com/watch?v=ovJWuVyLfDs
https://www.facebook.com/photo?fbid=1046779967239315&set=a.565932698657380
https://es.wikipedia.org/wiki/Filosof%C3%ADa_de_S%C3%B8ren_Kierkegaard
