Sarah C. Gudschinsky
A manual of literacy for preliterate peoples
Literacy
Handbook of literacy
How to learn an unwriten language
How to learn an unwritten language
Introdução às línguas indígenas brasileiras
La preparación de cartillas de alfabetización
Proto-Popotecan
Proto-Popotecan, a comparative study of Popolocan and Mixtecan
The ABC's of lexicostatistics (glottochronology)