Walling, G. W. (1890). Recollections of a New York chief of police: An official record of thirty-eight years as patrolman, detective, captain, inspector, and chief of the New York police. Specially issued for the benefit of the Denver Police Mutual Aid Fund.
Chicago-Zitierstil (17. Ausg.)Walling, George Washington. Recollections of a New York Chief of Police: An Official Record of Thirty-eight Years as Patrolman, Detective, Captain, Inspector, and Chief of the New York Police. Denver: Specially issued for the benefit of the Denver Police Mutual Aid Fund, 1890.
MLA-Zitierstil (9. Ausg.)Walling, George Washington. Recollections of a New York Chief of Police: An Official Record of Thirty-eight Years as Patrolman, Detective, Captain, Inspector, and Chief of the New York Police. Specially issued for the benefit of the Denver Police Mutual Aid Fund, 1890.