- Maps, Graphs, Mind Maps
- Roadmap, curriculum
- Dictionary, encyclopedia
- Abstractions, analogy
- alphabet, building blocks
- https://math.stackexchange.com/questions/124709/mind-maps-of-advanced-mathematics-and-various-branches-thereof
- https://www.mathematik.de/Trivia/510-map-of-maths
- https://math.meta.stackexchange.com/questions/19617/an-interactive-graph-of-math-se-tags?noredirect=1&lq=1
- https://www.flickr.com/photos/95869671@N08/32264483720
- https://arxiv.org/abs/1807.08416
- https://github.com/silogizma/therefore
- https://www.youtube.com/watch?time_continue=95&v=vib2rqJKS08
- https://homepage.univie.ac.at/noichlm94/posts/structure-of-recent-philosophy-iii/