Citations
Small scale control job file. ½" Second Series covers. Index & base, 1961, GBR/3296/Maps/CCSA.OS_78_4, OS_78_4. Cambridge University Library. |
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Small scale control job file. ½" Second Series covers. Index & base, 1961, GBR/3296/Maps/CCSA.OS_78_4, OS_78_4. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/242414 Accessed April 30, 2025. |