Preservation of the Sign Language

手語（sign language、signed language、signing）是一種不使用听觉-語音，而使用视觉-手势模式——以肢體動作、臉部表情来表達传达意义意思使用的語言。主要使用者和使用對象，是聽覺功能障礙者或言語功能障礙者。對一般大眾而言，手語不算通用；在聾聵人士的社群，手語則是相當常

2012-06-12 [2019-03-21]. （原始内容存档于2022-02-15）.  The Endangered Languages Project: Supporting language preservation through technology and collaboration. Google

Preservation by the Library of Congress?|Mental Floss. [2023-06-10]. （原始内容存档于2022-09-25）.  Andrews, Roberts M. 25 Films Designated For Preservation (Fee

for the Dead No. 6-The Trinity, Divine Mystery or Pagan Myth? No. 7-How Valuable Is the Bible? No. 8-Life in a New World 1953年 No. 9-The Sign of Christ's

（英语）.  含有連結內容需訂閱查看的頁面 (link) Schele, Linda; Mathews, Peter. The Code of Kings: The language of seven Maya temples and tombs. New York: Simon & Schuster.