lettrismo: alcuni link

http://www.mauricelemaitre.org/what-is-lettrism/

http://www.ricaldone.org/letcrono.html

https://masmoulin.blog/2020/06/19/le-lettrisme-2-4-arts-visuels-n-275/

https://masmoulin.blog/2020/06/19/le-lettrisme-2-4-arts-visuels-n-275/

http://www.artwiki.fr/wakka.php?wiki=LettrismE

https://fr.wikipedia.org/wiki/Isidore_Isou#Hypergraphie

https://www.facebook.com/362762160736360/posts/841607342851837/

https://lesenfantsdelacreatique.blogspot.com/2019/03/retour-sur-le-lettrisme-la-villa.html

http://lesenfantsdelacreatique.blogspot.com/2017/08/les-lettristes-sont-irrecuperables.html

http://www.garagecosmos.be/exhibition.php?id=39&lang=fr

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http://lesenfantsdelacreatique.blogspot.com/2018/02/lettrisme-et-calligraphie.html

http://www.arcadja.com/auctions/en/hachette_micheline/artist/435786/

https://raphael-levy.com/en/werk/isidore-isou/lettrisme-et-hypergraphie/

http://www.lecointredrouet.com/liste.php?PersNum=1523

https://www.facebook.com/362762160736360/photos/a.367329546946288/1234715580207676/

http://1995-2015.undo.net/it/mostra/76741

https://youtu.be/E7izYzn2-gs

https://youtu.be/H-Yp9MZXGV4

http://www.artandpopularculture.com/Jean-Louis_Brau

https://www.artpress.com/2019/05/16/isidore-isou/

https://www.macba.cat/en/art-artists/artists/isou-isidore/hypergraphie-polylogue

http://lesenfantsdelacreatique.blogspot.com/2006/03/commentaires-doeuvres.html

http://lesenfantsdelacreatique.blogspot.com/

http://lesenfantsdelacreatique.blogspot.com/2006/01/actualtes-publications-manifestations.html

http://lesenfantsdelacreatique.blogspot.com/2006/02/citations-reserve-universelle-rcu.html

https://www.abebooks.it/DOUZE-HYPERGRAPHIES-Isou-Isidore-International-Center/1353832040/bd

https://www.artpress.com/2019/05/16/isidore-isou/

Arengario:

http://www.arengario.it/wp-content/uploads/2015/06/pdf-collezione-isou.pdf

Cronologia:

http://www.ocra.it/letcrono.html