Citations
Ordnance Survey conditions of employment of surveyors and draughtsmen, 1936, GBR/3296/Maps/CCSA.AFB_379_13/11, AFB_379_13/11. Cambridge University Library. |
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Ordnance Survey conditions of employment of surveyors and draughtsmen, 1936, GBR/3296/Maps/CCSA.AFB_379_13/11, AFB_379_13/11. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/235598 Accessed April 22, 2025. |