J-DAC is a joint enterprise between MARUZEN-YUSHODO Company, Limited, Dai Nippon Printing Co., Ltd.

The National Diet Library (NDL) (国立国会図書館, Kokuritsu Kokkai Toshokan) is the national library of Japan and among the largest libraries in the world.

Qatar Digital Library (QDL) is a bilingual online library which was launched as a joint venture by a partnership consisting of Qatar Foundation, Qatar National Library.

e-Stat is a portal site for Japanese Government Statistics.