| Popovich, A. Harold and Frances B. Popovich | Maxakalí literacy, economic development, and health program | 1984 | Notes on Literacy | Literacy and Education |
| Popovich, A. Harold | More about wall-chart primers | 1989 | Notes on Literacy (online collection) | Literacy and Education |
| Popovich, A. Harold; Popovich, Frances B. | Projeto Maxakalí de Alfabetização, Desenvolvimento Econômico e Saúde | 1984 | | Literacy and Education |
| Stout, Mickey | O Preparo de Cartilhas de Transição para as Línguas Maxacalí e Kayapó: Um Modelo Geral | 1985 | | Literacy and Education |
