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"The city of San Francisco has been warned of a hippie invasion come summer in numbers almost too staggering to comprehend," declared one TV news reporter.

This loved-up ‘happening’ on a winter day in San ... of the Summer of Love. On January 14, hippies and other counterculture participants swarmed to the polo grounds in San Francisco’s ...

Every movement creates its own primary sources, and the hippies of 1967 San Francisco had a psychedelic one: The San Francisco Oracle. Published in 12 fantastic issues from 1966 to 1968 ...