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There's no substitute for research. Either find a deaf group in your area or contact a national group, or possibly Gaulladet University, and start talking to people.
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#4: Attribution notice removed
Source: https://writers.stackexchange.com/a/20705 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#3: Attribution notice added
Source: https://writers.stackexchange.com/a/20705 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/