![Grace (Goodhue) Coolidge](images/first-ladies/grace-coolidge.png)
![Melvil Dewey](images/inventors/melvil-dewey.png)
Family Relationship of
Grace (Goodhue) Coolidge
First Lady of President Calvin Coolidge
8th cousin to
Melvil Dewey
Inventor of the Dewey Decimal System
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First Lady of Calvin Coolidge
Dewey Decimal System