This collection contains: records, inventories and descriptions of all original (project internal) MIX language data and metadata created and collected over the course of this project; including: transcriptions of all spoken MIX utterances; a TEI Dictionary file with entries from all original and external sources of language data; TEI feature structures (FSD) defining the features on all levels of the language and grammar; also included within the body the FSD document(s) are: prose descriptions, tables displaying the various inventories with examples from the language data and analysis. Additionally, the feature structures define the systems of transcription and their respective symbols and character inventories used in this project (i.e. IPA, ZSAMPA (modified), Mixtec orthography).