David Horowitz, Karl Marx, Maurice Herbert Dobb, Oskar Lange, Wassily W. Leontief, Robinson, Joan, Fan-Hung, L. R. Klein, S. Tsuru, Martin Bronfenbrenner, Mark Blaug, J. Steindl, James F. Becker, Paul A. Baran, Paul Marlor Sweezy · First published 1968
![Cover of Conceptual physics : the high school physics program [by] Paul G. Hewitt. Laboratory manual, teacher's edition](https://covers.openlibrary.org/b/isbn/9780201286540-M.jpg?default=false)
