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Johann Conrad Amman

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Johann Conrad Amman

1 ebook

Johann Konrad Ammann was a Swiss physician and instructor of non-verbal deaf persons.

From Wikipedia , CC BY-SA 4.0

Ebooks by Johann Conrad Amman

The Talking Deaf Man: A Method Proposed, Whereby He Who is Born Deaf, May Learn to Speak
Public Domain
Ebook

The Talking Deaf Man: A Method Proposed, Whereby He Who is Born Deaf, May Learn to Speak

Johann Conrad Amman

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