Citations
Report on engraving as a basis for small-scale Ordnance Survey maps, 1923 - 1924, GBR/3296/Maps/CCSA.IM_426_2, IM_426_2. Cambridge University Library. |
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Report on engraving as a basis for small-scale Ordnance Survey maps, 1923 - 1924, GBR/3296/Maps/CCSA.IM_426_2, IM_426_2. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/239350 Accessed November 14, 2024. |