Interracial marriage: data for Philadelphia and Pennsylvania.
D000328:Adult; D001741:Black or African American; D000367:Age Factors; D044383:Black People; D005006:Ethnicity; D005060:Europe; D005191:Family Characteristics; D005260:Female; D006801:Humans; D008297:Male; D008393:Marriage; D008800:Mexico; D010414:Pennsylvania; D011647:Puerto Rico; D044469:Racial Groups; D012744:Sex Ratio; D014505:Urban Population; D014798:Vital Statistics