- The Navajo Language: The Elements of Navajo Grammar with a Dictionary in Two Parts Containing Basic Vocabularies of Navajo and English: Volume 1
- A Vocabulary of Colloquial Navajo (Navajo Language Dictionary Book 2)
- Colloquial Navajo: A Dictionary
- Taekyon: The Korean Martial Art
- The Navajo Language: A Grammar and Colloquial Dictionary