Columbia subject headings:
Podillia (Ukraine)--History--20th century--Sources.
Tovarystvo "Prosvita"--History--20th century--Sources.
Ukraine--History--Revolution, 1917-1921--Sources.
Harvard subject headings:
Education--Ukraine--Podillia--History--Sources.
Podillia (Ukraine)--Intellectual life--Sources.
Tovarystvo "Prosvita"--History--Sources.
Ukraine--History--Revolution, 1917-1921--Sources.
Princeton subject headings:
Podillia (Ukraine)--History--20th century--Sources.
Tovarystvo "Prosvita"--History--20th century--Sources.
Ukraine--History--Revolution, 1917-1921--Sources.