Sergei Bortkiewicz
\
Etude Nouvelle No. 1 in G Major, Op. 29 'La blonde' /
May 18 - 20, 1977 - Graf-Nobis, Ulla - Nuremberg
-( 1 LP ) Mars 307910 Z
May 12 - 13, 2010 - Somero, Jouni - Kuusankoski - Kuusaa Hall
-( 1 CD ) FC-Records FCRCD-9736