Troesken, Werner, (1963-)
概要
| 作品: | 11 作品在 0 項出版品 0 種語言 | |
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書目資訊
主題
Health and race- History.- United States
Waterborne infection- Prevention- United States
Sanitary Engineering- history- United States.
Communicable Diseases- ethnology- United States.
African Americans- Social conditions
African Americans- United States.
African Americans- Health and hygiene
Water Pollution- adverse effects- United States.