Map of Central America Central America is the central geographic region of the Americas. ... Current distribution of Human Language Families Most languages are known to belong to language families. ... ISO 639-1 is the first part of the ISO 639 international-standard language-code family. ... ISO 639-2:1998 Codes for the representation of names of languages â Part 2: Alpha-3 code Twenty-two of the languages have two three-letter codes: a code for bibliographic use (ISO 639-2/B) a code for terminological use (ISO 639-2/T). ... ISO 639-3 is in process of development as an international standard for language codes. ...
De León, Rolando Ismael (2000) Lenguaje de señas Guatemalteco (Lensegua) Comité Pro Ciegos y Sordos de Guatemala, Asociación de Sordos de Guatemala, Guatemala City, OCLC 76950070
Sign Languages of the World, by Name - Gallaudet University Library