Citations
Ordnance Survey ink specimen book 95 gsm tullis russell, 1978, GBR/3296/Maps/CCSA.OS_379_6, OS_379_6. Cambridge University Library. |
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Ordnance Survey ink specimen book 95 gsm tullis russell, 1978, GBR/3296/Maps/CCSA.OS_379_6, OS_379_6. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/244738 Accessed April 25, 2025. |