Botany, Economic Zoology, Economic Natural resources Animals Botany Conservation of natural resources Forests and forestry Mines and mineral resources Plants Research Zoology Bamboo, grasses, palms Collected works Congresses Conservation of natural resources -- Philippines -- Congresses Corals Dipterocarps, non-dipterocarps Economic aspects Economic ferns, gymnosferns Environmental control--Philippines Fishery resources Forest management Forest reservation - Law and legislation - Philippines Forest reserves - Law and legislation - Philippines Forestry--Philippine Forests and forestry -- Philippines -- Congresses Hill farming Information services Land use Law