TY  - BOOK
AU  - Collingwood,Francis J.
TI  - Philosophy of nature
AV  - BD581 .C66
U1  - 113 
PY  - 1961///
CY  - Englewood Cliffs, N. J.
PB  - Prentice-Hall
KW  - Philosophy of nature
KW  - Local
N1  - Includes bibliography
ER  -