Mari El (Russia). Gosudarstvennyĭ arkhiv

• Materialy kruglogo stola, posvi︠a︡shchennogo 80-letii︠u︡ dekreta SNK RSFSR "O reorganizat︠s︡ii i t︠s︡entralizat︠s︡ii arkhivnogo otdela v RSFSR"