Robert W. Wirtz, Morton Botel ; advisor, W.W. Sawyer

California State Department of Education 1965, c1961 California State series

C , D , E , F

Available at 4 libraries

Robert W. Wirtz, Morton Botel ; advisor, W.W. Sawyer

Encyclopaedia britannica films c1962

B

Available at 1 libraries

Robert W. Wirtz, Morton Botel, [advisor, W.W. Sawyer]

Encyclopaedia Britannica Films c1961

Available at 2 libraries