Gallaudet has a number of digitized materials. Check out these rich historical sources to gather more information about American Deaf History.
When you search, check off search "this collection" for the following collections. If you want to see documents in chronological order, click on Titles under "this collection". You can also use the Advanced Search.
Benjamin Marshall Schowe Collection
The Deaf Mute Times & The Silent Worker
American Annals of the Deaf from 1847-1893 (Vols 1-38). We also have this set in the RIT Archives, 3rd floor.