Citations
Gunpowder: Drafts, 1948 - 1985, GBR/1928/NRI/SCC2/157. Needham Research Institute. |
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Gunpowder: Drafts, 1948 - 1985, GBR/1928/NRI/SCC2/157. Needham Research Institute. https://archivesearch.lib.cam.ac.uk/repositories/21/archival_objects/330726 Accessed November 23, 2024. |