Citations
Small scale control job file. ½" 2nd Series : appendix to specification, 1960, GBR/3296/Maps/CCSA.OS_78_6, OS_78_6. Cambridge University Library. |
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Small scale control job file. ½" 2nd Series : appendix to specification, 1960, GBR/3296/Maps/CCSA.OS_78_6, OS_78_6. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/242416 Accessed April 30, 2025. |