U.S. Dept. of Health, Education, and Welfare, Office of Education; [U.S. G.P.O.1960-<378.73-Ue24nd>
国立国会図書館
U.S. Dept. of Health, Education, and Welfare, Office of Education; [U.S. G.P.O.1960-<379.12-Ue24rn>
国立国会図書館
U.S. Dept. of Health, Education, and Welfare, Office of Education; [U.S. G.P.O.1960-<370.78-Ue24c>
国立国会図書館
U.S. Dept. of Health, Education, and Welfare, Office of Education; [U.S. G.P.O.1958-<510.7-Ue24a>
国立国会図書館