How to Use Jr, Sr, II, III, etc. was written for a genealogical blog and comes with cartoons! It's a throrough, but readable, article on when and for how long to use Jr. and Sr., I, II, and more, and other generational name endings.

The Language Sounds that Could Exist, but Don't is a YouTube video that shows which sounds people physically can and can't make. This video could be helpful if you were creating a new, made-up language for a story or if you were just interested in language.