"Otto Ehrenfried Ehlers (January 31, 1855 – October 3, 1895) was a German traveller who is known for his account of a long trip through inland Southeast Asia, documented in his 1894 book Im Sattel durch Indochina, and recently republished by White Lotus Press of Thailand in English as a three-part series entitled On Horseback Through Indochina." - (en.wikipedia.org 09.05.2020)
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