In each special materials room, electronic journals and databases as well as library-generated content are available. For details, please see Electronic Resources Service at the Tokyo Main Library. A book detection system (BDS) is used at the room entrances. The BDS could affect implantable medical instruments such as pacemakers, so please pass through the entrance promptly without stopping.
Parliamentary documents, official gazettes, statutes, court reports and treaties of Japan and other countries, Publication catalogues, directories, annual reports, statistics of Japanese and foreign government offices and publications of international organizations, Reference books on law and politics