concept

The chemical action of ultraviolet rays / by Carleton Ellis and Alfred A. Wells ; assisted by Norris Boehmer.

Vital factors of foods, vitamins and nutrition / Carleton Ellis and Annie Louise Macleod.

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Carleton Ellis

Works from the collections

The chemical action of ultraviolet rays / by Carleton Ellis and Alfred A. Wells ; assisted by Norris Boehmer.

Vital factors of foods, vitamins and nutrition / Carleton Ellis and Annie Louise Macleod.