1. The National Association of the Deaf
2. National Family Association for the Deaf-Blind
3. The American Association for the Deaf-Blind
4. The Helen Keller National Center
5. American Society for Deaf Children
Zweiundzwanzig is your answer .-.
Answer: a library
Explanation: In a library, you are around a lot of academic resources and it is generally a quiet place.
Well i would suggest it would be during that late hours