- Norwegian-English Dictionary: A Pronouncing and Translating Dictionary of Modern Norwegian (Bokmal and Nynorsk) with a Historical and Grammatical Introduction
- Spoken Norwegian
- The Norwegian language in America;: A study in bilingual behavior (Publications of the American Institute, University of Oslo, in cooperation with the ... and Sciences, University of Pennsylvania)
- Ole Bull: Norway's Romantic Musician and Cosmopolitan Patriot
- Beginning Norwegian: A Grammar and Reader