Gützlaff, Karl Friedrich August.
The journal of two voyages along the coast of China : in 1831-1832 ; the first in a Chinese junk, the second in the British ship Lord Amherst ; with notices of Siam, Corea, and the Loo-Choo islands, and remarks on the policy, religion, etc., of China. (New York : John P. Haven, 1833). [Ryukyu].
https://archive.org/details/journaltwovoyag00gtgoog.
(GK1)
Sinology and Asian Studies : Europe : Germany
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Travel and Legation Accounts