TY  - BOOK
ED  - Library of Congress.
ED  - Library of Congress.
TI  - Classification. Class B. part 1, B-BJ: Philosophy
AV  - Z 696.U5 B1.1950
PY  - 1950///
CY  - Washington
PB  - Government Printing Office
KW  - Classification
KW  - Books
KW  - Philosophy
KW  - Clasificación -
KW  - Libros
KW  - Filosofía
ER  -