• open Russian Sign Language
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Subclassification references

• J. Albert Bickford 2005
• Geer, Leah 2011
• Shaina Mahoney 2018
• Kagirov, Ildar and Ryumin, Dmitry and Ivanko, Denis and Axyonov, Alexander and Karpov, Alexey 2019
• Liivi Hollman 2016
• Justin Power 2020
• Mahmoud Ahmad Abdel-Fattah 2016
• Danielius, Mantrimas 2004
• Pfau, Roland and Tamar Makharoblidze and Hedde Zeijlstra 2022