Citations
Draft specification one-inch Seventh Series, 1952-07, GBR/3296/Maps/CCSA.OS_152_12, OS_152_12. Cambridge University Library. |
|
Draft specification one-inch Seventh Series, 1952-07, GBR/3296/Maps/CCSA.OS_152_12, OS_152_12. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243301 Accessed April 29, 2025. |