| Popovich, Frances B. | Conjunções em Maxakalí | 1976 | | Linguistics |
| Popovich, A. Harold; Popovich, Frances B. | Maxakalí Phonemes | 1962 | | Linguistics |
| Popovich, Frances B. | Maxakalí Connectives | 1975 | | Linguistics |
| Popovich, A. Harold | Participant, plot, prop, location, and time throughout travel, participant interaction, and problem oriented Maxakalí discourses | 1960 | | Linguistics |
| Popovich, A. Harold; Popovich, Frances B. | Maxakalí Phonemes | 1960 | | Linguistics |
| Popovich, A. Harold | Maxakalí Narrative Paragraph Structure | 1965 | | Linguistics |
| Popovich, A. Harold | Maxakalí Language in Brazil | 1971 | | Linguistics |
