Note: the articles for specific sign languages (e.g. ASL or BSL) may contain further external links, e.g. for learning those languages.

• American Sign Language (ASL) resource site.
• A DeafWiki free-content encyclopedia of deaf and hard hearing[pautan putus]
• Signes du Monde, directory for all online Sign Languages dictionaries (Perancis) / (Inggeris)
• List Serv for Sign Language Linguistics
• The MUSSLAP Project Multimodal Human Speech and Sign Language Processing for Human-Machine Communication.
• Publications of the American Sign Language Linguistics Research Project
• Sign language among North American Indians compared with that among other peoples and deaf-mutes, by Garrick Mallery from Project Gutenberg. A first annual report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1879–1880
• Pablo Bonet, J. de (1620) [Reduction de las letras y Arte para enseñar á ablar los Mudos] error: {{lang}}: teks mempunyai penanda italik (bantuan), Biblioteca Digital Hispánica (BNE).