Citations
'Military intelligence: foreign conventional signs and symbol's, 1942-07, GBR/3296/Maps/CCSA.IM_560_7, IM_560_7. Cambridge University Library. |
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'Military intelligence: foreign conventional signs and symbol's, 1942-07, GBR/3296/Maps/CCSA.IM_560_7, IM_560_7. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/246203 Accessed May 08, 2025. |