Li︠u︡dmila Vasilʹevna Elfimova, Soi︠u︡z khudozhnikov RSFSR, T. A. Blavat͡skai͡a, Soi︠u︡z khudozhnikov RSFSR. Arkhangelʹskai︠a︡ organizat︠s︡ii︠a︡, Georgiĭ Aleksandrovich Elfimov