Annual report of the Director of the Bureau of Science Philippines. Bureau of Science. contributor text series Manila Bureau of Printing 1906- 1906
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ENG Report year irregular. 22nd-23rd not printed for distribution but summarized in 24th; 25th in 26th. Cf. NAL. Bureau of Science Periodicals Philippines Science Annual report of the Superintendent of Government Laboratories 1762237. https://www.biodiversitylibrary.org/bibliography/5762 1639622 08018663 MUL