1. 
   Bolivian Sign Language
   Bolivian Sign Language (Lenguaje de Señas Bolivianas, LSB) is a dialect of American Sign Language (ASL) used in Bolivia. In 1973 ASL was adopted in Bolivia by missionary activities and the original sign languages of the towns were no longer used. The first book of LSB was published in 1992, but mo...
   Found op http://en.wikipedia.org/wiki/Bolivian_Sign_Language
   
   

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