[Jacob A. Riis.]

Bone Alley Park site -- when the tenements were torn down, one of the small park sites I [Jacob A. Riis] located, taken 1898.

Bone Alley Park site -- when the tenements were torn down, one of the small park sites I [Jacob A. Riis] located, taken 1898.

Street Arabs in sleeping quarters.

Street Arabs in sleeping quarters.

Street Arabs in sleeping quarters.

"I Scrubs." Katie , who keeps house in West Forty-ninth Street.

Old Barney in Cat Alley.

Old Barney in Cat Alley.

Blind Beggar.

"Washing Up" in the Newsboys' lodging house.

Shelter Island; Coming through the Fields.

Shelter Island; View from the hill toward Prospect & Greenport.

"Washing Up" in the Newsboys' lodging house.

Shelter Island; Coming through the Fields.

Under the Dump at West 47th Street.

Shelter Island; Coming through the Fields.

Baby in slum tenement, dark stairs--it's playground.

Shelter Island; Coming through the Fields.

Baby in slum tenement, dark stairs--it's playground.