Series III. Notebooks. 1904-1950 .
1. U.S. Department of Agriculture Field Notebooks. 1904-1914.
1. Diaries (Annotated appointment schedules). 1908-1909.
1. Notes. 1947-1950 .
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II. Ephemera.
II. Ephemera.
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IV. Speeches and Articles.
IV. Speeches and Articles.