Subtitle varies slightly.
Vols. for 1948-49 issued without subtitle, including humanities, social and natural sciences.
Vols. for 1948-59 issued by Ukeire Seiribu of the Kokuritsu Kokkai Toshokan; 1960-June 1963 by the library's Etsuranbu; July 1963- by the library's Sankō Shoshibu; <1988-> by Kokuritsu Kokkai Toshokan Chikuji Kankōbutsubu.