And under this title, "On the Morning of Christ's Nativity," appears as you can see from your text -- appears the subtitle, "composed 1629."

你们可以看到在《圣诞清晨歌》,的标题下有个副标题“作于1629“

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Du Bois composed his text during Jim Crow, a time of official racial segregation that deliberately obscured to the wider world the human details of African-American life.

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He says the way he composed it, combined with its mix of bite-size chapters, bilingual text and international influences makes the book representative of the digital and globalization trends shaping society.

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