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African American families. --- Social networks --- African Americans --- American letters. --- American literature --- Networking, Social --- Networks, Social --- Social networking --- Social support systems --- Support systems, Social --- Interpersonal relations --- Cliques (Sociology) --- Microblogs --- Afro-American families --- Families, African American --- Negro families --- Families --- Cromwell family. --- Cromwell family --- Cromwell, John Wesley, --- Cromwell, John W. --- Philadelphia (Pa.) --- Washington (D.C.)