C.E. Turner of Massachusetts Institute of Technology, Dept. of Biology and Public Health wrote G.A. Pennock and M.L. Putnam. The letters discuss testing causes for increased output, analyzing output by 15 minute intervals, testing vascular skin...
C: Calvert, Maud Campbell, Mrs. W. A. Cansler, Granny Celia, Aunt and family Chamblee, Gladys Chappell, Mrs. Byrdie L. Chase, Mrs. C. L. Childers, C. C. Clark, Zula B. (Mrs. L. D. Clark) Cobb, James H. Coleman, Mrs. Dick (see:...