18 different reports dating from 1923-1930 -- 2 are in French, the rest in English that deal with the question of slavery, including slavery conventions. The reports are 8" x 14' tall. There is one report: 'Communication with the Government of Liberia' (1930) that is a bound booklet of 128 pp. The rest of the booklets are 1pp-20pp each. Includes: Communication with the Government of Sudan, Annual Reports, Communication with the Government of Liberia.