File:Leon Campbell (1881-1951).png

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Leon_Campbell_(1881-1951).png (686 × 504 pixels, file size: 167 KB, MIME type: image/png)

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Leon Campbell (1881-1951)

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Description
English: Leon Campbell (1881-1951)
Date before 1951
date QS:P,+1951-00-00T00:00:00Z/7,P1326,+1951-00-00T00:00:00Z/9
Source https://www.researchgate.net/figure/Leon-Campbell-1881-1951-at-Harvard-College-Observatory-Courtesy-Smithsonian-Archives_fig5_300133330
Author Unknown authorUnknown author

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current11:59, 13 July 2024Thumbnail for version as of 11:59, 13 July 2024686 × 504 (167 KB)FerdiBf (talk | contribs)Uploaded a work by {{Unknown|author}} from https://www.researchgate.net/figure/Leon-Campbell-1881-1951-at-Harvard-College-Observatory-Courtesy-Smithsonian-Archives_fig5_300133330 with UploadWizard

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