Miao and Yao linguistic studies: selected articles in Chinese, translated by Chang Yu-hung and Chu Kwo-ray / edited by Herbert C. Purnell
Cornell University, 1972
 Buku Teks
Lombard, Sylvia J.
Yao-English dictionary
Cornell University, 1968
 Buku Referensi
Lu, Yao
Lu Yao = 路遥
Ren min wen xue chu ban she, 1998
 Buku Teks
Bell, Charles E.
Growth & Chang
Dickenson Publishing Co.Inc., 1973
 Buku Teks
Yao and Artusio's anesthesiology: problem-oriented patient management
Fun-Sun F. Yao, editor
Lippincott Williams & Wilkins, 2008
 Buku Teks