sentences:  Her research has concentrated on all aspects of the grammars of indigenous languages of the Americas, most recently focusing on the Chickasaw (Muskogean; Oklahoma), Garifuna (Arawakan; Central America), Imbabura Quichua (Quechuan; Ecuador), Tongva (Uto-Aztecan; Los Angeles Basin), and Tlacolula Valley Zapotec (Zapotecan; Central Oaxaca, Mexico) languages.She has published numerous articles and books, and was instrumental in the creation of dictionaries for San Lucas Quiaviní Zapotec, Chickasaw and Wolof.She is also the compiler of a series of books on college slang, "Slang U".