Zurich & London: Secretariat of the Labour and Socialist International and Labour Party, 1928. Paperback. Three volumes (various paginations), wraps edge worn and faded along the spines, a few stains on the wraps of the first two volumes, large bookplate of W.E.D. Allen in each volume else good condition and complete, illustrated with portraits. Vol. 1: Reports of the Secretariat of L.S.L., Vol. 2: The colonial problem, Vol. 3: Proceedings of Congress.