Badge - First Pan-American Child Welfare Congress held at Buenos Aires, Argentina (South America), July 6 - 16, 1916.

Badge - First Pan-American Child Welfare Congress held at Buenos Aires, Argentina (South America), July 6 - 16, 1916. Location: Buenos Aires, Argentina. Date Created/Published: 1916 July. LOC original medium: 1 photographic print. Child labor pic by Lewis Hine.