村山貯水池と山口貯水池 : 村山貯水池・山口貯水池廻遊案内図 村山貯水池と山口貯水池 : 村山貯水池・山口貯水池廻遊案内図ムラヤマ チョスイチ ト ヤマグチ チョスイチ : ムラヤマ チョスイチ・ヤマグチ チョスイチ カイユウ アンナイズ

National Diet Library

The National Diet Library (NDL), founded in 1948, is the library which belongs to the Diet. The NDL assists the activities of the National Diet. The Library collects and conserves materials and information both from Japan and abroad, serving as a foundation of knowledge and culture and providing library services to administrative and judicial entities and Japanese citizens.