http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
poiski, issledovanii︠a︡, nakhodki, mysli vslukh, vospominanii︠a︡ sverstnikov i odnoselʹchan o detstve Sergei︠a︡ Esenina i sele Konstaninove