Lambrecht, Earth & Woodward 2013. Lambrecht, Linda; Earth, Barbara; Woodward, James (March 3, 2013), History and Documentation of Hawaiʻi Sign Language: First Report, University of Hawaiʻi: 3rd International Conference on Language Documentation and Conservation, hdl:10125/26133
Rarrick 2015. Rarrick, Samantha (2015). "A Sketch of Handshape Morphology in Hawai'i Sign Language". University of Hawai'i at Manoa Working Papers in Linguistics. 46 (6). hdl:10125/73260.
Wittmann, Henri (1991). "Classification linguistique des langues signées non vocalement." Revue québécoise de linguistique théorique et appliquée 10:1.215–88.[1]