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Sign language was used by the deaf, but wasn't widely used and varied between people. A larger use was for secret communication (8 сент 1620 г. – 8 сент 1720 г.)
Добавлено на ленту времени:
The Evolution of Sign Language
By
David Heineman
5 ноя 2017
0
0
470
Дата:
8 сент 1620 г.
8 сент 1720 г.
~ 100 years
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