Columbia subject headings:
Harvard subject headings:
Baseball--History.
Chicago Cubs (Baseball team)--History.
Wrigley Field (Chicago, Ill.)--History.
Princeton subject headings:
Baseball fields--Illinois--Chicago--History.
Baseball teams--Illinois--Chicago--History.
Baseball--Illinois--Chicago--History.
Chicago Cubs (Baseball team)--History.
Wrigley Field (Chicago, Ill.)--History.