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Good sources of vitamins A and D
- United States Department of Agriculture., United States Office of Cooperative Extension Work., United States Bureau of Home Economics., and United States Department of Agriculture. Committee on Vitamin Research.
- Vitamin A in human nutrition -- Posters and Vitamin D in human nutrition -- Posters
- 1 poster : black and white ; 38 x 31 cm.
- United States Department of Agriculture,
- Historical Dietary Guidance Digital Collection