Grain. Statistics of grains: compiled by E. J. Working, Charlotte M. Ward, Ruth Griffith, C. G. Carpenter, A. G. Peterson, Vivian M. Behenna, Caroline G. Gries, June A. Hodgkins, Florence C. Fitch, John L. Wilson, H. E. Ratcliffe, Anna Sullivan, Florence M. Hamilton, Jeanne Cavanagh, H. Hawxhurst, and T. A. Sommers.