BSL Sign Language Dictionary
Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: a book to which you can refer for authoritative facts
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"he contributed articles to the basic reference work on that topic";
Similiar / Same: reference book, book of facts, reference
Within this category: cookbook, instruction book, source book, wordbook, handbook, directory, annual, atlas, encyclopedia
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