Citations
‘Halley’s Comet’ stamp, India: first day cover, 1985-11-19, GBR/0180/RGO 97/4. Cambridge University Library. |
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‘Halley’s Comet’ stamp, India: first day cover, 1985-11-19, GBR/0180/RGO 97/4. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/107512 Accessed April 25, 2024. |