For a connection to an essay by Douglas Messerli, "An Eye for Words: Concrete Poets at the Getty," go here:
https://hyperallergic.com/382410/concrete-poetry-words-and-sounds-in-graphic-space-the-getty-research-institute-2017/
https://hyperallergic.com/382410/concrete-poetry-words-and-sounds-in-graphic-space-the-getty-research-institute-2017/