Title: Zheng He xia xi yang shi tan
Description: 杨槱院士从小热爱船舶海洋,尤其对郑和七下西洋的航海业绩十分仰慕.本书就是积几十年来的潜心研究后新编和一本小册子.
Subjects: Travel, History, Junks
Places: Southeast Asia, China
People: He Zheng (1371-1435)
Time periods: Ming dynasty, 1368-1644