A few years ago Jo-Mako's Japanese Guide was hosted on GitHub pages, but has since disappeared. Luckily there was a single web archive snapshot, so I could at least recover the grammar page.
You can check it out here: https://paul1365972.github.io/jo-mako-japanese-guide/grammar.html
I also updated it a bit to match current web standards. If you are interested, all changes are listed below:
- Fix broken resources
- Lazy load images
- Do not preload audio
- Add frequency information
- ...
https://web.archive.org/web/*/https://jo-mako-anki.github.io/webpages/learn_japanese/Grammar_References/1.html https://docs.google.com/spreadsheets/d/1ukDIWSkh_xvpppPbgs1nUR2kaEwFaWlsJgZUlb9LuTs/edit#gid=614147316