Peter Sloterdijk, Foams Spheres Volume III: Plural Spherology, MIT Press, 2016
Ellen Lupton and Andrea Lipps, The Senses: Design Beyond Vision, Princeton Architectural Press, 2018
UK Home Office, Accessible Service Design.
Karwai Pun, Dos and don’ts on designing for accessibility, 2016 (See also the data on github)
Braille Institute, Blind and Low Vision Web Accessibility Tips
Braille Institute, Atkinson Hyperlegible Font
Accessibility, MDN Web Docs
Accessibility Best Practices, Human Interface Design, Apple
Macintosh Human Interface Guidelines, Apple, 1995
Web Content Accessibility Guidelines (WCAG) color contrast formula, latest standard.
The Web Almanac, HTTP Archive, Accessibility 2021
Multiple Colors Contrast Checker
Inclusive Design with Jutta Treviranus