Citations
'Proposed reduction in colour printing upon current night maps', 1941-07, GBR/3296/Maps/CCSA.IM_518_5, IM_518_5. Cambridge University Library. |
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'Proposed reduction in colour printing upon current night maps', 1941-07, GBR/3296/Maps/CCSA.IM_518_5, IM_518_5. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/240203 Accessed May 10, 2025. |