"Narodowość w muzyce." . . "Music Origin." . . "Folk songs." . . "Musique nationale Histoire et critique." . . "National music"@en . . "National music" . . . . . . . . . . . . . "National music" . "National music, by Ralph Vaughan Williams" . . . . . "民族音乐论" . . . . . . . "民族音樂論" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Min zu yin yue lun" . . "Criticism, interpretation, etc" . "Criticism, interpretation, etc"@en . . . "National music." . . "Folk songs History and criticism." . . "Chansons folkloriques Histoire et critique." . . "Min zu yin le." . . "民族音乐." . "Pieśni ludowe angielskie Stany Zjednoczone historia i krytyka." . . "National music History and criticism." . . . .