1. Homo Cantens: Why Hmong Sing During Interactive Courtship Rituals. Author(s): Catlin, Amy Format: Journal article Citation: Selected Reports In Ethnomusicology, Volume 9, (1992). pp. 43–60.
2. The Hmong Language: Sentences, Phrases and Words. General Information Series, No. 15. Indochinese Refugee Education Guides. Author(s): Center For Applied Linguistics, Arlington, Va. Format: Report Publisher: 1978.