library_books

Books on China Online, 16th – Early 20th Century (早期中國研究選輯, 十六至二十世紀初)

Title
The past and future of the Peking Central Observatory
Author
Kao Lu,author
Published
Peking :The Central Observatory, [1920s]
Subject
Astronomical observatories -- China -- Peking
Library URL
991005119069706306
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