Yak
Encyclopedia Sinica · 1917 · p. 624
Bos grunniena, a wild ox which is said to be found on the Kansu-Tibetan and Ssuch'uan borderlands; the only species of wild ox so far known in China.
Bu kavram başka kaynaklarda da geçiyor
The American Dictionary and Cyclopedia (1910)
Chamber's Twientieth Century Dictionary (1908)
The Handy Cyclopedia of Common Things and Biographical Dictionary (1901)
Zell's Condensed Dictionary (1879)
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