TY  - BOOK
ED  - United States.
TI  - Industrial classification code
AV  - HA40.I6 U65 1942
U1  - 331.7 
PY  - 1942///
CY  - Washington, D.C.
PB  - Federal Security Agency, Social Security Board
KW  - Industries
KW  - United States
KW  - Classification
N1  - Reproduced from type-written copy; "Prepared by the Social Security Board, Committee on Industrial Classification Practices."--Foreword; I. Description of industries.--II. Manufacturing index.--III. Nonmanufacturing index
ER  -