Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'Johnson, David Ralph 1942-', amser ymholiad: 0.02e Mireinio'r Canlyniadau
  1. 1

    American law enforcement a history gan Johnson, David Ralph 1942-

    Cyhoeddwyd 1981
    Llyfr

    American law enforcement a history
  2. 2

    Policing the urban underworld the impact of crime on the development of the American police, 1800-1887 gan Johnson, David Ralph 1942-

    Cyhoeddwyd 1979
    Llyfr

    Policing the urban underworld the impact of crime on the development of the American police, 1800-1887

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