International labor and working class history.

Available for UP System via Cambridge Core

Art and experience in classical Greece by Pollitt, J. J. (Jerome Jordan) 1934-

The stages of economic growth a non-communist manifesto by Rostow, Walt Whitman 1916-

Vector and mechanics. by School Mathematics Project

Differential equations and circuits. by School Mathematics Project

Statistics and probability. by School Mathematics Project

Polyhedron models by Wenninger, Magnus J.

Some experiments ideas for teachers

World prehistory a new outline by Clark, Grahame 1907-

The sophists by Guthrie, W.K.C. (William Keith Chambers) 1906-