• open American Sign Language in the USA
• expand all
• collapse all

Subclassification references

• Marius Rock Titus 1994
• Woll, Bencie and Sutton-Spence, R. and Elton, F. 2001
• Nobutaka Kamei and Evouna Etoundi Henri 2008
• Sanogo, Yédê Adama 2012
• Fox Tree, Erich and Monica Rodriguez 2016
• Supalla, Ted and Patricia Clark 2015
• Woodward, Jr., James C. 1975
• Ulrike Zeshan and Sibaji Panda 2015
• Christina Epley and Parks, Elizabeth 2013