http://book.klll.cc/ebooks/subject/3988.opds?sort_order=release_date 2025-08-31T09:47:51Z Books about Sign language (sorted by release date) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-31T09:47:51Z https://book.klll.cc/ebooks/subject/3988.opds?sort_order=title Sort Alphabetically by Title 2025-08-31T09:47:51Z https://book.klll.cc/ebooks/subject/3988.opds?sort_order=downloads Sort by Popularity 2025-08-31T09:47:51Z https://book.klll.cc/ebooks/50938.opds Sign talk : a universal signal code, without apparatus, for use in the Army, the Navy, camping, hunting, and daily life Ernest Thompson Seton 2025-08-31T09:47:51Z https://book.klll.cc/ebooks/17451.opds Sign Language Among North American Indians Compared With That Among Other Peoples And Deaf-Mutes Garrick Mallery