What system of writing did the sumerians develop
- What system of writing did the sumerians developed responses
- Question what system of writing did the sumerians develop
- What type of writing system did the sumerians develop
- What form of writing did the sumerians develop
- What type of writing did the sumerians develop
- What type of writing did the ancient sumerians developed
- What writing system did the sumerians of mesopotamia develop
- What system of writing did sumerians invent