Exponent of Philippine agriculture and allied industries. Vol. IV. No. 3, 4/5, 6 (March to June), No. 9 (September) and No. 11 (November). Zus. 5 Teile. Mit zahlr. Abb.
Manila 1937. Je 40 S. 4°. Illustr. Orig.-Umschläge. - Guter Zustand. * Philippinen (Philippines). - Manila.