| Popovich, A. Harold and Frances B. Popovich, compilers | Dicionário Maxakalí-Português-Glosário Português-Maxakalí | 2004 | | Linguistics |
| Popovich, A. Harold and Frances B. Popovich, compilers | Maxakalí-English dictionary; English-Maxakalí glossary | 2005 | | Linguistics |
| Popovich, Frances B. | Conjunções em Maxakalí | 1976 | | Linguistics |
| Popovich, A. Harold; Popovich, Frances B. | Maxakalí Museu Wordlist | 1960 | | Language Assessment, Linguistics |
| Popovich, A. Harold; Popovich, Frances B. | Maxakalí Phonemes | 1962 | | Linguistics |
| Popovich, Frances B. | Maxakalí Connectives | 1975 | | Linguistics |
| Popovich, A. Harold; Popovich, Frances B. | Maxakalí Phonemes | 1960 | | Linguistics |
| Popovich, A. Harold and Frances B. Popovich, compilers | Dicionário Maxakalí-Português; Glossário Português-Maxakalí | 2005 | | Linguistics |
| Gudschinsky, Sarah C., A. Harold Popovich, and Frances B. Popovich | Native reaction and phonetic similarity in Maxakalí phonology | 1970 | Language | Linguistics |
