Citations
Instructions and correspondence file. 1/625,000 : file no 1, 1967, GBR/3296/Maps/CCSA.OS_121_10, OS_121_10. Cambridge University Library. |
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Instructions and correspondence file. 1/625,000 : file no 1, 1967, GBR/3296/Maps/CCSA.OS_121_10, OS_121_10. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/242638 Accessed April 30, 2025. |