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

Michael Jackson, the Muppets and Early Cinema Tapped for Preservation in 2009 Library of Congress National Film Registry. Library of Congress. December

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.