1. Pan American Child Congress. 6th Pan American Child Congress, Lima, July 4-11, 1930, report of delegates of United States, with appendices; [prepared by Katharine F. Lenroot]. Bookmark Corporate/Agency Authors: State Department Publisher: State Department Date: 1931 SuDoc number: S 5.34:R 29
2. Pan American Child Congress. 6th Pan American Child Congress, Spanish; [traducida del Inglés por Gregorio Marquez]. Bookmark Corporate/Agency Authors: State Department Publisher: State Department Date: 1931 SuDoc number: S 5.34:R 29/Spanish