C. E. Gray

An Epicyclical Model for Western Civilization

C. E. Gray, 1961 .

An Analysis of Graeco‐Roman Development

C. E. Gray, 1958 .

A Measurement of Creativity in Western Civilization

Charles Edward Gray, C. E. Gray, 1966 .

Paradoxes in Western Creativity

C. E. Gray, 1972 .