TY - BOOK AU - Engels, Friedrich, TI - The origin of the family, private property, and the state : : in the light of the researches of Lewis H. Morgan / AV - HQ504 .E6 1968 U1 - 301.42 PY - 1968/// CY - Moscow PB - Progress KW - Morgan, Lewis Henry, KW - Primitive societies KW - Families KW - History KW - Property N1 - Includes index ER -