File 1, fols. 1-23 and items 1-2: Source material supplied to Lugard by the Society on slavery in Zanzibar, the preference of the indigenous people of the New Hebrides to be governed by the British, the slave trade in Persia and child slavery and labour in Hong Kong, 1893-1929. File 2, fols. 1-142: Correspondence with officers of the Anti-Slavery Society, namely Charles Roberts, president, Travers…