File:William D. Coolidge (23 Oct).png

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Nonfiction: William D. Coolidge biographical sketch.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	03:19, 23 October 2020		604 × 350 (84 KB)	Admin (talk \| contribs)	Nonfiction: William D. Coolidge biographical sketch.

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