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The Determination of the Protein Requirements of Animals and of the Protein Values of Farm Feeds and Rations

Issues and Current Studies

Issues and Studies

Critical Potentials

Physics

A Directory of Information Resources in the United States: Physical Sciences, Engineering

Proceedings of the ... Annual Meeting

The Minimum Protein Requirements of Cattle

A Directory of Information Resources in the United States: Physical Sciences, Biological Sciences, Engineering

Proceedings, Abstracts of Lectures and a Brief Report of the Discussions of the National Teachers' Association, the National Association of School Superintendents and the American Normal School Association