昭和39年度研究業績抄録集 : 昭和40年3月 昭和39年度研究業績抄録集 : 昭和40年3月ショウワ 39ネンド ケンキュウ ギョウセキ ショウロクシュウ : ショウワ 40ネン 3ガツ

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.