TY  - BOOK
AU  - Ewing, Upton Clary
AU  - Ewing,Upton Clary
TI  - Thresholds of Existence:  A Cosmogony and Theory of Evolution as a Way of Life
U1  - N31 
PY  - 1956///
CY  - New York
PB  - Philosophical Library
N1  - includes index and biblioraphy
ER  -