九重年支子発明二十五年の歩み展会場風景 : 秩父宮妃をお迎えして 九重年支子発明二十五年の歩み展会場風景 : 秩父宮妃をお迎えしてココノエ トシコ ハツメイ 25ネン ノ アユミテン カイジョウ フウケイ : チチブノミヤヒ オ オムカエシテ

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.