https://archive.org/details/firstsixbooksofe00eucl/page/n24/mode/1up
a gorgeous 1847 Euclid’s elements where they used coloured diagrams instead of letters for variable names
and texing it: https://habr.com/en/articles/452520/
- https://ben300694.github.io/pdfs/2021/2021-09-30_Slides_K-OS_2021_Handlebodies_Trivial_Tangles_and_Group_Trisections.pdf and more at https://ben300694.github.io/#activities
- https://web.archive.org/web/20100726091224/http://www2.math.uic.edu/~agol/cover/cover01.html
- https://jolivet.org/timo/docs/slides_guangzhou_toral.pdf
- https://raw.githubusercontent.com/gillescastel/masterthesis/refs/heads/master/final-version.pdf