Columbia subject headings:
Paderewski, Ignace Jan, 1860-1941--Political and social views.
Harvard subject headings:
Paderewski, Ignace Jan, 1860-1941--Political and social views.
Princeton subject headings:
Composers--Poland--Political and social views.
Musicians--Poland--Political and social views.
Paderewski, Ignace Jan, 1860-1941--Political and social views.
Pianists--Poland--Political and social views.