TY  - BOOK
AU  - 
TI  - History as a system: and other essays toward a philosophy of history 
PY  - 1961///]
CY  - New York
PB  - Norton
KW  - History
KW  - Philosophy
KW  - Addresses, essays, lectures
N1  - Previously published under title: Toward a philosophy of history; The sportive origin of the state -- Unity and diversity of Europe -- Man the technician -- History as a system
ER  -