TY  - BOOK
AU  - Merrill, William Stetson
TI  - Code for classifiers: : Principles governing the consistent placing of books in a system of classification
PY  - 1939///
CY  - Chicago: 
PB  - American Library Association, 
KW  - Library science
KW  - Classification, Dewey decimal
KW  - Church history
ER  -