Answer :
Final answer:
Elijah Anderson, the Philadelphia gang researcher, wrote 'Code of the Street: Decency, Violence, and the Moral Life of the Inner City'.
Explanation:
The Philadelphia gang researcher referenced in your question is Elijah Anderson. Anderson is well-known for his contributions to the field of urban sociology, specifically his work on inner-city street culture. His book 'Code of the Street: Decency, Violence, and the Moral Life of the Inner City' provides an exploration of urban gang culture based on his extensive field research in Philadelphia. The book's focus is on the ways in which the informal rules or 'codes' of street culture form, perpetuate, and are used to justify violence.
In parallel works, for instance, Clifford R. Shaw and Henry McKay wrote on juvenile delinquency in urban areas, and Laurence Ralph documented the struggles of people in gangland Chicago. These works, together with Anderson's, provide broad insight into the dynamics of gang life and its impact on the society.
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