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File:George David Birkhoff 1.jpg
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George_David_Birkhoff_1.jpg (268 × 326 pixels, file size: 9 KB, MIME type: image/jpeg)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:14, 30 March 2017 | | 268 × 326 (9 KB) | Penarc (talk | contribs) |
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