A basic word list of Nyahkur in Ban Nam Lao, Ban Kok, Mueang, Phetchabun, with approximately 2,000 words written in phonetic alphabet, and written with pencil translation in Thai
A word list of Yao and Karen, with approximately 500 words, along with phrases, sentences, songs, and stories, which are recorded in phonetic alphabet with pen and pencil, and translated in Thai
A verb list of Nyahkur, with approximately 300 words written in phonetic alphabet, in which word prompts are written with pen in Thai, along with the examples of phrases and sentences with verbs
A word list of Nyahkur, with approximately 1,200 words written in phonetic alphabet with pen and pencil, in which word prompts are written in Thai with pen and pencil