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Physical Standards for Working Children

Physical Standards for Working Children

Auteur: Charles Lionel Chute, United States. Children's Bureau, Emma Octavia Lundberg, Nettie Pauline McGill, Katharine Fredrica Lenroot

Nombre de pages: 32 pages

ISBN: ISBN non disponible

Edition: U.S. Government Printing Office

Date de publication: U.S. Government Printing Office

Description: Description non disponible

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