Khmer, tribal languages (Mon-Khmer and Malayo-Polynesian).    From Wordnik.com.  [The 1999 CIA Factbook] Reference

The language of Cambodia, Khmer, belongs to the Mon-Khmer family of languages.    From Wordnik.com.  [Khmer: The Language of Cambodia] Reference

Mon-Khmer are the Lao and Cambodian language, located in Yunnan bordering Laos, and a bit of Thailand/Vietnam.    From Wordnik.com.  [Archive 2005-10-01] Reference

Sukkhothai was based on an older, less intensive Mon-Khmer style of cultivation, which was less intensive and allowed much wildlife to coexist.    From Wordnik.com.  [Chao Phraya freshwater swamp forests] Reference

Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer; mountain area languages (Mon-Khmer and Malayo-Polynesian).    From Wordnik.com.  [The 2004 CIA World Factbook] Reference

My understanding is that Vietnamese is generally classified as Austroasiatic the family whose most famous other branch is the Mon-Khmer languages, including Cambodian.    From Wordnik.com.  [languagehat.com: GENDER DIFFERENCES IN CHINESE.] Reference

VietnamVietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer; mountain area languages (Mon-Khmer and Malayo-Polynesian).    From Wordnik.com.  [Languages] Reference

Languages: Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer; mountain area languages (Mon-Khmer and Malayo-Polynesian).    From Wordnik.com.  [The 2001 CIA World Factbook] Reference

Its people are known to philological research as Austroasiatics, who formed the original stock of the Australian aborigines; they survived in India as the Munda tribes, in Indo-China as the Mon-Khmer, and also remained in pockets on the islands of Indonesia and especially Melanesia.    From Wordnik.com.  [A History of China] Reference

Vietnamese is an Austroasiatic/Mon-Khmer language.    From Wordnik.com.  [Latest Stories] Reference

Mon-Khmer people were one of the earliest inhabitants of Southeast Asia.    From Wordnik.com.  [KI Media] Reference

Minorities speak an assortment of Mon-Khmer, Hmong-Yao, and Tibeto-Burman languages.    From Wordnik.com. Reference

In the central and southern mountains, Austro Asiatic (Mon-Khmer and Viet-Muong) tribes, formerly known as Lao Theung or mid-slope Lao, predominate.    From Wordnik.com. Reference

The second-largest ethnic minority grouping, the central highland peoples (formerly termed Montagnards or mountain people), comprise two main ethnolinguistic groups -- Malayo-Polynesian and Mon-Khmer.    From Wordnik.com.  [Conservapedia - Recent changes [en]] Reference

"The Mundas, the Mon-Khmer, the wild tribes of the Malay Peninsula and the Nicobarese all use forms of speech which can be traced back to a common source though they mutually differ widely from each other.".    From Wordnik.com.  [The Tribes and Castes of the Central Provinces of India—Volume I (of IV)] Reference

While it is extremely difficult to verify this statement, there are at least 108 different ethnolinguistic groups in Burma, consisting mainly of distinct Tibeto-Burman peoples, but with sizable populations of Daic, Hmong-Mien, and Austroasiatic (Mon-Khmer) peoples.    From Wordnik.com.  [WN.com - Articles related to Ethnic group in Myanmar gears up for war, peace] Reference

(though the Bengali language bears witness to the strong Aryan influence which has prevailed there) and is largely composed of immigrants from the north belonging to the Tibeto-Burman, Mon-Khmer and Shan families.    From Wordnik.com.  [Hinduism and Buddhism, An Historical Sketch, Vol. 2] Reference

Mon-Khmer languages, II.    From Wordnik.com.  [Hinduism and Buddhism, An Historical Sketch, Vol. 3] Reference

108 different ethnolinguistic groups in Burma, consisting mainly of distinct Tibeto-Burman peoples, but with sizable populations of Daic, Hmong-Mien, and Austroasiatic (Mon-Khmer) peoples.    From Wordnik.com.  [WN.com - Articles related to Ethnic group in Myanmar gears up for war, peace] Reference

Mon-Khmer language spoken by said ethnic group.    From Wordnik.com.  [Black Shoe Diaries] Reference

Mon-Khmer. ii.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"] Reference

Mon-Khmer tribes.    From Wordnik.com.  [A History of China] Reference

(Mon-Khmer and Malayo-Polynesian).    From Wordnik.com.  [The 2004 CIA World Factbook] Reference

Vietnam, Tonking, Indonesia, Philippines, Thailand, Mon-Khmer).    From Wordnik.com.  [A History of China] Reference

Vietnamese (official), French, Chinese, English, Khmer, tribal languages (Mon-Khmer and Malayo-Polynesian).    From Wordnik.com.  [The 1994 CIA World Factbook] Reference

Tai-Kadai language family (6 ethnic groups) -- 66. 2\%; Austro-Asiatic (Mon-Khmer and Viet-Muong) language family.    From Wordnik.com. Reference

Languages: Vietnamese (official), French, Chinese, English, Khmer, tribal languages (Mon-Khmer and Malayo-Polynesian).    From Wordnik.com.  [The 1996 CIA Factbook] Reference