TY  - BOOK
AU  - Pettee,Julia
TI  - Subject Headings : : the history and theory of the alphabetical sub jectical approach to books / 
U1  - 025.47 PET 
PY  - 1946///
CY  - New York : 
PB  - H. W. Wilson, 
KW  - Subject headings
ER  -