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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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1 gen 1920 anni - The first classes for hard of hearing children are formed in Lynn, Massachusetts, and Rochester, New York; the term mentally retarded is introduced.
Aggiunto al nastro di tempo:
History of special education
By
emeline
12 ago 2019
0
0
2720
Data:
1 gen 1920 anni
Adesso
~ 105 years ago
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