Columbia subject headings:
Harvard subject headings:
Cygnaeus, Uno, 1810-1888.
Elementary school administration--Finland--History--19th century.
Elementary school administration--Finland--History--20th century.
School supervision, Elementary--Finland--History--19th century.
School supervision, Elementary--Finland--History--20th century.
School supervision, Rural--Finland--History--19th century.
School supervision, Rural--Finland--History--20th century.
Princeton subject headings:
Education, Elementary--Finland--History.
Education, Rural--Finland--History.
School management and organization--Finland--History.