305 Groups of people
305.3 People by gender or sex
305.30973 Sex role--United States 305.31 Men 305.32 Men's liberation movement 305.3364 Househusbands--social group 305.3823 Working class men 305.38442 Homeless men 305.386804 Protestant men--social group 305.38896073 African American men
Dewey Decimal Classification
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