choralwiki.net/wiki/index.php/Category:Solo_vocal_music
artsongcentral.com/
www.metinhd.cz/
www.rowy.net/sheet_music.html
www.dlib.indiana.edu/variations/scores/
www.ccarh.org/publications/scores/
www.icking-music-archive.org/ByComposer.php
www.cipoo.net/music_v.html
operadream.blogspot.com/
parterre.com/unnatural_acts_2006.htm
www.sdke.sk
www.sdke.sk/images/cena2008_palovcikova_v.jpg
sk-sk.facebook.com/people/Tatiana-Palovcikova-Paladiova/1136454825
