Young boxers with Jack Dempsey and others at Jefferson Park Clubhouse, East Harlem, New York City.

Young boxers in boxing ring with Jack Dempsey at Jefferson Park Clubhouse, East Harlem, New York City.

John Hays Hammond with Boys' Club of New York members at Tompkins Square Building [i.e. Harriman Clubhouse], Lower East Side, New York City.

John Hays Hammond with Boys' Club of New York members at Tompkins Square Building [i.e. Harriman Clubhouse], Lower East Side, New York City.

John Hays Hammond with Boys' Club of New York members at Tompkins Square Building [i.e. Harriman Clubhouse], Lower East Side, New York City.

Portrait of John Hays Hammond taken at Tompkins Square Building [i.e. Harriman Clubhouse], Lower East Side, New York City.

Portrait of John Hays Hammond taken at Tompkins Square Building [i.e. Harriman Clubhouse], Lower East Side, New York City.

Boys beneath trees outside dormitory at William Carey Camp, Jamesport, New York.

Camper and staff member outside medical building at William Carey Camp, Jamesport, New York.

Dormitory interior at William Carey Camp, Jamesport, New York.

Boys playing on grounds near dormitories at William Carey Camp, Jamesport, New York.

Campers eating in dining hall at William Carey Camp, Jamesport, New York.

Campers saluting during flag raising ceremony outside dining hall at William Carey Camp, Jamesport, New York.

Campers outside dormitory building at William Carey Camp, Jamesport, New York.

Boys gathered around campfire near beach at William Carey Camp, Jamesport, New York.

Boys in yard outside dormitories at William Carey Camp, Jamesport, New York.

Group of boys at dining hall table at William Carey Camp, Jamesport, New York.

Group portrait of staff at Willliam Carey Camp, Jamesport, New York.

Boy playing bugle on a bluff above Long Island Sound at Willliam Carey Camp, Jamesport, New York.

Boys being treated at dental clinic at Tompkins Square Building [i.e. Harriman Clubhouse], Lower East Side, New York City.

Boys standing with unidentified women at Willliam Carey Camp, Jamesport, New York.

A vigorous handshake between two boys at Willliam Carey Camp, Jamesport, New York.

Boys with turtle and staff member at Willliam Carey Camp, Jamesport, New York.

Group of campers posing with unidentified man and woman at Willliam Carey Camp, Jamesport, New York.