Citations
Gunpowder: Creighton lecture, 1979 - 1980, GBR/1928/NRI/SCC2/158. Needham Research Institute. |
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Gunpowder: Creighton lecture, 1979 - 1980, GBR/1928/NRI/SCC2/158. Needham Research Institute. https://archivesearch.lib.cam.ac.uk/repositories/21/archival_objects/330727 Accessed November 27, 2024. |