Dairy products. Dairy and poultry statistics; compiled by C. L. Harlan, Ruth Griffith, Charlotte M. Ward, Vivian M. Behenna, Florence C. Fitch, A. G. Peterson, P. F. Brookens, L. M. Davis, Wm. Broxton, T. R. Pirtle, H. Hawxhurst, E. R. Johnson, [and] John Roberts.