Grain. Statistics of grains; compiled by Elna Anderson, E. J. Working, Robert E. Post, F. J. Hosking, J. L. Orr, Roger F. Hale, Ruth E. Griffith, Anna M. Kirby, Charlotte M. Ward, Florence C. Fitch, Vivian M. Behenna, Gertrude K. Caseley, Meda K. Gates, June A. Hodgkins, Anna Sullivan, John L. Wilson, Georgia E. Cantrell, Avis Damon, T. A. Sommers, [and] Annie M V. Repetti.

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