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主題
Agricultural laborers - United States.
概要
作品:
2 作品在 0 項出版品 0 種語言
書目資訊
Working poor = farmworkers in the United States /
by:
(書目-語言資料,印刷品)
Children for hire = the perils of child labor in the United States /
by:
(書目-語言資料,印刷品)
主題
Industrial safety- United States.
Working class- Education- United States.
Migrant agricultural laborers- United States.
Children- Health and hygiene- United States.
Agricultural laborers- United States.
Child labor- United States.
Youth- Employment- United States.
Youth- Health and hygiene- United States.
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