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Uploaded a work by Phạm Quang Sán (范光璨). from * [https://leminhkhai.wordpress.com/2016/11/06/a-bilingual-introduction-to-volcanoes-in-1911-vietnam/ A Bilingual Introduction to Volcanoes in 1911 Vietnam. - NOVEMBER 6, 2016 / LEMINHKHAI]. ([https://leminhkhai.wordpress.com/ Lê Minh Khải's SEAsian History Blog]). * [https://leminhkhai.files.wordpress.com/2016/11/ptdb-cover1.jpg This book had two main sections. One was devoted to the skys/heavens and the other to the earth. These are both topi...
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