Mounted police in front of the headquarters in the South End.

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Thousands of policemen showed up in the South End to take the Sergeants exam.
Superintendent Crowley in Police Headquarters office.
Superintendent Crowley - Police Headquarters office.
Mounted cop on Tremont Street
Oliver Garrett, former liquor squad leader, now on reduced duty at Station 3, Joy St.
Thousands of police officers report for the sergeant's exam at police headquarters in the South End.