https://monoskop.org/images/0/07/Arntz_Gerd_Neurath_Otto_et_al_Gesellschaft_und_Wirtschaft_Bildstatistisches_Elementarwerk.pdf

https://monoskop.org/images/e/ec/Neurath_Otto_International_Picture_Language.pdf

https://www.aiga.org/symbol-signs

GERD ARNTZ

GERD ARNTZ

American Institute of Graphic Arts

http://viktorhertz.com/portfolio/pictogram-movie-posters/

http://www.gerdarntz.org/isotype

OLT AICHER

https://www.flickr.com/photos/8686840@N03/sets/72157620430165459/

https://www.irb-paris.eu/projet/index/id/99