In Between 1936 and 1964, the Negro Driver Green Book was important for the survival of countless Black Americans in an age of partition, sealed into the American legal system through Jim Crow laws, sundown tows where African Americans were under danger of violence after sundown, and a sharp boost in lynchings and other types of hate criminal activities.

The locations noted in Green Books variety from hotels and dining establishments to club, supermarket, gasoline station, and even “traveler houses,” where house owners invited tired tourists to invest the night when they had no place else to go.

Outside the travel guides (which are readily available free of charge online), little is understood about the large bulk of Green Book websites. Discover more about the guide—and the locations connected with it—that mark an essential chapter in American history.

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