TY  - BOOK
AU  -  Gray,John Chipman
AU  -  Gray,Roland
TI  -  The nature and sources of the law / 
U1  -  340.1 
PY  - 1927///
CY  -  New York : 
PB  -  The Macmillan, 
KW  -  Law
KW  -  Jurisprudence
ER  -