世界の文字体系 | アブジャド文字、アルファベット、アブギダ文字、音節文字、ロゴシラビ文字
How many writing systems are there in the world?
Writing Systems: Crash Course Linguistics #16
Top Ten Coolest Writing Systems
How Most of the World's Alphabets Are Related
Why Does India Have So Many Writing Systems?
The Top 7 Craziest Writing Systems in the World
Turning Points of History – Episode 4 | Rise of Writing & Knowledge
Why Are There So Many Alphabets in the World's Languages?
How The World's First Written Languages Spread
The Japanese Writing System in a Nutshell
India's awesome hybrid alphabet thing - History of Writing Systems #10 (Alphasyllabary)
The Spread of Writing: Every Year
World's Most Complicated Writing System (corrections in the description)
Why West Africa keeps inventing writing systems
12 Strangest Writing Systems Ever Used
Types of Writing Systems (correction in the description)
Writing Systems
Creating a Writing System