Part of two letters from Rewi Alley in Peking, China, about guilded bronze stirrups on pottery horses found in Han tombs in Loyang, and photograph of such stirrups from a pottery horse purchased by Alley, 1954-04-12 - 1954-04-25, GBR/1928/NRI/SCC2/134/2/5. The Papers and Possessions of Joseph Needham, GBR/1928/NRI/NRI2. Needham Research Institute. https://archivesearch.lib.cam.ac.uk/repositories/21/archival_objects/347371 Accessed January 05, 2025.