Some websites you may find useful include:

• National Foundation for the Deaf
  The National Foundation for the Deaf is a New Zealand based incorporated society, representing the interests of deaf and hearing impaired New Zealanders. The NFD has six member groups. Each group has a different focus. All are committed to promoting good hearing and helping those with hearing impairment.
• Hearing Association New Zealand
  The Hearing Association New Zealand is a not-for-profit organisation whose aim is to ensure the well-being and independence of all those with impaired hearing.
• New Zealand Audiological Society
  The professional Society for New Zealand-based Audiologists.
• Deaf Aotearoa NZ
  A nationwide provider of services to Deaf people.
• American Academy of Audiology
  World's largest professional organization of, by and for audiologists that promotes hearing and balance care.
• American Speech-Language-Hearing Association (ASHA)
  ASHA is the US-based professional, scientific, and credentialing association for more than 123,000 members and affiliates who are audiologists, speech-language pathologists, and speech, language, and hearing scientists.
• American Tinnitus Association
  A US-based association establish to assist those suffering from tinnitus, encourage professionals to provide support and treatment, promote awareness and to assist with research on tinnitus.
• Hear-It
  A US-based source of information about hearing, hearing loss and hearing aids.
• British Society of Audiology
  The British Society of Audiology aims to increase knowledge of hearing and balance and to enhance audiological practice by dissemination and education.
• Royal National Institute for the Deaf
  Britain's largest charity whose aim is a world where deafness and hearing loss are not barriers to opportunity and fulfilment.
• Tinnitus Research Initiative
  The Tinnitus Research Initiative (TRI) is a private project dedicated to improving the quality of life for patients who suffer from tinnitus and tinnitus-related disorders.