For a general explanation about resources for doing deaf-related research, see the Deaf Research Guide.
Here is a list of specific guides on various topics: American Sign Language: A Pathfinder Cochlear Implants : A Pathfinder Deaf Authors : A Pathfinder Deaf Biographies : A Selected Bibliography Deaf Characters in Literature: A Pathfinder Deaf Culture: A Pathfinder Deaf Parents of Hearing Children: A Pathfinder Deaf School Yearbooks: A Pathfinder Hearing Children of Deaf Parents: A Pathfinder Hearing Parents of Deaf Children: A Pathfinder Indexes to Deaf, Deaf Education, and Audiology/Speech Periodicals: A Guide International Sign Language: A Pathfinder Interpreting for the Deaf: A Pathfinder