File 1, fols. 1-15: Newpaper cuttings on the slave-trade in North Africa, the League of Nations and slavery in general, 1930-1932. File 2, fols. 1-36: Reports on the system of child adoption in Hong Kong known as Mui-tsai and the Anti-Slavery Society's campaign against it, 1930-1937. File 3, items 1-2: Communications by several governments to the Secretary General in reply to his…