| Autor: | Bierman, Jessie M; Butrico, Frank A; Chapman, Albert L; Crosby, Edwin L; Densen, Paul M; Guthrie, Nobel; Ingraham, Hollis; Kurlander, Arnold B; Mattinson, Berwyn F; Perkins, James E; Pope, Saxton; Porterfield, John D; Pritchard, William R; Rosen, George.; Scrimshaw, Nevin; Shaw, James R; Sheps, Cecil G; Top, Franklin H; Wagner, Carruth J; Warren, Stafford L
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