Citations
Instructions and correspondence file. Half inch Great Britain : misc. instructions, 1947 - 1960, GBR/3296/Maps/CCSA.OS_121_21, OS_121_21. Cambridge University Library. |
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Instructions and correspondence file. Half inch Great Britain : misc. instructions, 1947 - 1960, GBR/3296/Maps/CCSA.OS_121_21, OS_121_21. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/242648 Accessed April 30, 2025. |