Columbia subject headings:
Commuting--Sweden--History.
Education--Sweden--History.
Migration, Internal--Sweden--History.
Residential mobility--Sweden--History.
Sweden--Occupations--History.
Harvard subject headings:
Commuting--Sweden--History.
Education--Sweden--History
Migration, Internal--Sweden--History.
Occupations--Sweden--History.
Residential mobility--Sweden--History.
Princeton subject headings: