1991
Leopold Nowak, Austrian musicologist and theorist (born 1904)
Leopold Nowak, Austrian musicologist and theorist (born 1904)
Leopold Nowak, Austrian musicologist and theorist (born 1904)
Austrian musicologist (1904–1991)
Leopold Nowak, Austrian musicologist and theorist (born 1904)
Leopold Nowak, Austrian musicologist and theorist (born 1904)
Leopold Nowak, Austrian composer and musicologist (died 1991)
Leopold Nowak, Austrian composer and musicologist (died 1991)